./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4daf1340b92ad99da0e14bd9974ded6768f4e200672f7478b349dd411e40bd7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:55:50,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:55:51,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:55:51,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:55:51,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:55:51,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:55:51,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:55:51,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:55:51,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:55:51,119 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:55:51,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:55:51,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:55:51,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:55:51,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:55:51,120 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:55:51,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:55:51,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:55:51,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:55:51,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:55:51,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:55:51,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:55:51,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:55:51,122 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:51,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:55:51,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:51,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:55:51,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:55:51,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:55:51,124 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4daf1340b92ad99da0e14bd9974ded6768f4e200672f7478b349dd411e40bd7 [2024-11-28 03:55:51,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:55:51,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:55:51,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:55:51,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:55:51,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:55:51,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c [2024-11-28 03:55:54,377 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/data/45686f9a8/729f088a0f8b4881a95ad286bc94a5e0/FLAGc7f58b88e [2024-11-28 03:55:54,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:55:54,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c [2024-11-28 03:55:54,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/data/45686f9a8/729f088a0f8b4881a95ad286bc94a5e0/FLAGc7f58b88e [2024-11-28 03:55:54,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/data/45686f9a8/729f088a0f8b4881a95ad286bc94a5e0 [2024-11-28 03:55:54,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:55:54,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:55:54,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:55:54,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:55:54,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:55:54,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:55:54" (1/1) ... [2024-11-28 03:55:54,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f4f864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:54, skipping insertion in model container [2024-11-28 03:55:54,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:55:54" (1/1) ... [2024-11-28 03:55:54,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:55:54,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:55:54,984 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:55:55,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:55:55,035 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:55:55,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55 WrapperNode [2024-11-28 03:55:55,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:55:55,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:55:55,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:55:55,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:55:55,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,091 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2024-11-28 03:55:55,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:55:55,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:55:55,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:55:55,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:55:55,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,132 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:55:55,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:55:55,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:55:55,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:55:55,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:55:55,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (1/1) ... [2024-11-28 03:55:55,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:55,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:55,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:55:55,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:55:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:55:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:55:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:55:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:55:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:55:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:55:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:55:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:55:55,303 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:55:55,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:55:55,906 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-28 03:55:55,906 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:55:55,932 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:55:55,936 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 03:55:55,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:55:55 BoogieIcfgContainer [2024-11-28 03:55:55,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:55:55,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:55:55,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:55:55,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:55:55,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:55:54" (1/3) ... [2024-11-28 03:55:55,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1190afdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:55:55, skipping insertion in model container [2024-11-28 03:55:55,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:55" (2/3) ... [2024-11-28 03:55:55,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1190afdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:55:55, skipping insertion in model container [2024-11-28 03:55:55,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:55:55" (3/3) ... [2024-11-28 03:55:55,949 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound100.c [2024-11-28 03:55:55,975 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:55:55,978 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_unwindbound100.c that has 3 procedures, 146 locations, 1 initial locations, 3 loop locations, and 56 error locations. [2024-11-28 03:55:56,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:55:56,073 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4587a87b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:55:56,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-28 03:55:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 03:55:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:55:56,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:56,086 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:56,087 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:56,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:56,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2142177312, now seen corresponding path program 1 times [2024-11-28 03:55:56,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:56,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764167543] [2024-11-28 03:55:56,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:56,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:55:56,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:56,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764167543] [2024-11-28 03:55:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764167543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:55:56,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889765012] [2024-11-28 03:55:56,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:56,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:56,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:56,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:55:56,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:55:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:56,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:55:56,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:55:56,358 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:56,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889765012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:56,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:55:56,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:55:56,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972127448] [2024-11-28 03:55:56,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:56,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:55:56,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:56,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:55:56,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:55:56,394 INFO L87 Difference]: Start difference. First operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:55:56,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:56,455 INFO L93 Difference]: Finished difference Result 288 states and 324 transitions. [2024-11-28 03:55:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:55:56,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-28 03:55:56,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:56,473 INFO L225 Difference]: With dead ends: 288 [2024-11-28 03:55:56,473 INFO L226 Difference]: Without dead ends: 139 [2024-11-28 03:55:56,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:55:56,482 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:56,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:55:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-28 03:55:56,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-28 03:55:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:55:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-11-28 03:55:56,546 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 15 [2024-11-28 03:55:56,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:56,547 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-11-28 03:55:56,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:55:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-11-28 03:55:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:55:56,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:56,549 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:56,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:55:56,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:55:56,750 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:56,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:56,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1383858849, now seen corresponding path program 1 times [2024-11-28 03:55:56,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:56,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449447866] [2024-11-28 03:55:56,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:56,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:56,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449447866] [2024-11-28 03:55:56,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449447866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:56,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:56,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:55:56,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768019835] [2024-11-28 03:55:56,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:56,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:56,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:56,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:56,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:56,862 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:56,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:56,965 INFO L93 Difference]: Finished difference Result 179 states and 189 transitions. [2024-11-28 03:55:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:56,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-28 03:55:56,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:56,967 INFO L225 Difference]: With dead ends: 179 [2024-11-28 03:55:56,968 INFO L226 Difference]: Without dead ends: 178 [2024-11-28 03:55:56,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:56,969 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 45 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:56,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 412 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:56,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-28 03:55:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2024-11-28 03:55:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:55:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2024-11-28 03:55:56,981 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2024-11-28 03:55:56,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:56,982 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2024-11-28 03:55:56,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2024-11-28 03:55:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 03:55:56,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:56,984 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:56,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:55:56,984 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:56,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:56,985 INFO L85 PathProgramCache]: Analyzing trace with hash 50048684, now seen corresponding path program 1 times [2024-11-28 03:55:56,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:56,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683001185] [2024-11-28 03:55:56,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:56,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:57,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:57,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683001185] [2024-11-28 03:55:57,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683001185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:57,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:57,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:55:57,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632866692] [2024-11-28 03:55:57,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:57,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:57,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:57,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:57,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:57,088 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:57,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:57,175 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2024-11-28 03:55:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:55:57,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-28 03:55:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:57,177 INFO L225 Difference]: With dead ends: 172 [2024-11-28 03:55:57,177 INFO L226 Difference]: Without dead ends: 143 [2024-11-28 03:55:57,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:57,178 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 8 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:57,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 415 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:57,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-28 03:55:57,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-28 03:55:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:55:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2024-11-28 03:55:57,199 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2024-11-28 03:55:57,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:57,199 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2024-11-28 03:55:57,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2024-11-28 03:55:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 03:55:57,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:57,204 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:57,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:55:57,205 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:57,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:57,205 INFO L85 PathProgramCache]: Analyzing trace with hash 646739330, now seen corresponding path program 1 times [2024-11-28 03:55:57,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:57,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307951238] [2024-11-28 03:55:57,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:57,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:55:57,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:57,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307951238] [2024-11-28 03:55:57,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307951238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:57,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:57,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:55:57,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818538313] [2024-11-28 03:55:57,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:57,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:57,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:57,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:57,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:57,423 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:57,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:57,774 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2024-11-28 03:55:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:55:57,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-28 03:55:57,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:57,780 INFO L225 Difference]: With dead ends: 241 [2024-11-28 03:55:57,780 INFO L226 Difference]: Without dead ends: 213 [2024-11-28 03:55:57,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:55:57,782 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 253 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:57,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 391 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:55:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-28 03:55:57,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2024-11-28 03:55:57,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 80 states have (on average 1.7625) internal successors, (141), 135 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:55:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2024-11-28 03:55:57,808 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 19 [2024-11-28 03:55:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:57,808 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2024-11-28 03:55:57,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-28 03:55:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 03:55:57,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:57,809 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:57,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:55:57,810 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:57,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:57,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1425919050, now seen corresponding path program 1 times [2024-11-28 03:55:57,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:57,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843447133] [2024-11-28 03:55:57,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:57,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:57,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:57,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843447133] [2024-11-28 03:55:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843447133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:57,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:55:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048659165] [2024-11-28 03:55:57,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:57,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:57,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:57,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:57,967 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:58,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:58,093 INFO L93 Difference]: Finished difference Result 208 states and 220 transitions. [2024-11-28 03:55:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:55:58,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-28 03:55:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:58,095 INFO L225 Difference]: With dead ends: 208 [2024-11-28 03:55:58,095 INFO L226 Difference]: Without dead ends: 206 [2024-11-28 03:55:58,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:55:58,100 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 128 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:58,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 538 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:58,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-28 03:55:58,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 163. [2024-11-28 03:55:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 154 states have internal predecessors, (174), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:55:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2024-11-28 03:55:58,118 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 20 [2024-11-28 03:55:58,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:58,119 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2024-11-28 03:55:58,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:58,119 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2024-11-28 03:55:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 03:55:58,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:58,120 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:58,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:55:58,120 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:58,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:58,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1253817528, now seen corresponding path program 1 times [2024-11-28 03:55:58,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:58,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884274368] [2024-11-28 03:55:58,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:58,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:58,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:58,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884274368] [2024-11-28 03:55:58,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884274368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:58,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:58,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:55:58,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801039306] [2024-11-28 03:55:58,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:58,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:58,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:58,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:58,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:58,258 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:58,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:58,358 INFO L93 Difference]: Finished difference Result 316 states and 363 transitions. [2024-11-28 03:55:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:55:58,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-28 03:55:58,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:58,362 INFO L225 Difference]: With dead ends: 316 [2024-11-28 03:55:58,362 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 03:55:58,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:55:58,365 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:58,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 672 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:58,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 03:55:58,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-28 03:55:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7281553398058251) internal successors, (178), 158 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:55:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-28 03:55:58,383 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 21 [2024-11-28 03:55:58,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:58,384 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-28 03:55:58,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-28 03:55:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:55:58,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:58,385 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:58,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:55:58,385 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:58,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:58,385 INFO L85 PathProgramCache]: Analyzing trace with hash 662702544, now seen corresponding path program 1 times [2024-11-28 03:55:58,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:58,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300474803] [2024-11-28 03:55:58,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:58,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:55:58,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794784493] [2024-11-28 03:55:58,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:58,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:58,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:58,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:55:58,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:55:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:58,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:55:58,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:58,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:58,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:58,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300474803] [2024-11-28 03:55:58,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:55:58,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794784493] [2024-11-28 03:55:58,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794784493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:58,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:58,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:55:58,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920230164] [2024-11-28 03:55:58,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:58,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:55:58,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:58,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:55:58,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:55:58,512 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:58,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:58,675 INFO L93 Difference]: Finished difference Result 252 states and 292 transitions. [2024-11-28 03:55:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:55:58,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-28 03:55:58,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:58,678 INFO L225 Difference]: With dead ends: 252 [2024-11-28 03:55:58,678 INFO L226 Difference]: Without dead ends: 248 [2024-11-28 03:55:58,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:55:58,679 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:58,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 249 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:58,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-28 03:55:58,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2024-11-28 03:55:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 148 states have (on average 1.7432432432432432) internal successors, (258), 203 states have internal predecessors, (258), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:55:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2024-11-28 03:55:58,695 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 278 transitions. Word has length 25 [2024-11-28 03:55:58,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:58,695 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 278 transitions. [2024-11-28 03:55:58,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2024-11-28 03:55:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:55:58,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:58,697 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:58,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:55:58,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:58,897 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:58,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:58,898 INFO L85 PathProgramCache]: Analyzing trace with hash 662701842, now seen corresponding path program 1 times [2024-11-28 03:55:58,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:58,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464731629] [2024-11-28 03:55:58,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:58,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:59,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:59,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464731629] [2024-11-28 03:55:59,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464731629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:59,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:59,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:55:59,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824139911] [2024-11-28 03:55:59,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:59,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:55:59,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:59,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:55:59,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:55:59,069 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:59,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:59,266 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2024-11-28 03:55:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:55:59,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-28 03:55:59,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:59,268 INFO L225 Difference]: With dead ends: 220 [2024-11-28 03:55:59,268 INFO L226 Difference]: Without dead ends: 217 [2024-11-28 03:55:59,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:55:59,269 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 350 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:59,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 539 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-28 03:55:59,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 190. [2024-11-28 03:55:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 125 states have (on average 1.72) internal successors, (215), 177 states have internal predecessors, (215), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:55:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 235 transitions. [2024-11-28 03:55:59,284 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 235 transitions. Word has length 25 [2024-11-28 03:55:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:59,284 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 235 transitions. [2024-11-28 03:55:59,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 235 transitions. [2024-11-28 03:55:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 03:55:59,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:59,286 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:59,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:55:59,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:59,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:59,287 INFO L85 PathProgramCache]: Analyzing trace with hash -931079297, now seen corresponding path program 1 times [2024-11-28 03:55:59,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:59,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136759287] [2024-11-28 03:55:59,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:59,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:59,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:59,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136759287] [2024-11-28 03:55:59,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136759287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:59,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:59,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:55:59,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800616880] [2024-11-28 03:55:59,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:59,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:55:59,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:59,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:55:59,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:55:59,396 INFO L87 Difference]: Start difference. First operand 190 states and 235 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:59,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:59,557 INFO L93 Difference]: Finished difference Result 386 states and 478 transitions. [2024-11-28 03:55:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:55:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-28 03:55:59,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:59,560 INFO L225 Difference]: With dead ends: 386 [2024-11-28 03:55:59,560 INFO L226 Difference]: Without dead ends: 214 [2024-11-28 03:55:59,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:55:59,561 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 38 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:59,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 778 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:59,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-28 03:55:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 195. [2024-11-28 03:55:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 130 states have (on average 1.7) internal successors, (221), 182 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:55:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2024-11-28 03:55:59,576 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 26 [2024-11-28 03:55:59,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:59,576 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2024-11-28 03:55:59,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2024-11-28 03:55:59,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 03:55:59,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:59,577 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:59,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:55:59,578 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:55:59,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:59,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1201990194, now seen corresponding path program 1 times [2024-11-28 03:55:59,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:59,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507519473] [2024-11-28 03:55:59,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:59,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:59,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:59,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507519473] [2024-11-28 03:55:59,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507519473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:59,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:59,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:55:59,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276470465] [2024-11-28 03:55:59,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:59,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:55:59,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:59,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:55:59,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:59,741 INFO L87 Difference]: Start difference. First operand 195 states and 241 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:00,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:00,317 INFO L93 Difference]: Finished difference Result 222 states and 245 transitions. [2024-11-28 03:56:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:00,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-28 03:56:00,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:00,320 INFO L225 Difference]: With dead ends: 222 [2024-11-28 03:56:00,320 INFO L226 Difference]: Without dead ends: 221 [2024-11-28 03:56:00,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:00,321 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 62 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:00,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 490 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:56:00,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-28 03:56:00,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 196. [2024-11-28 03:56:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.6946564885496183) internal successors, (222), 183 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:56:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-28 03:56:00,342 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 27 [2024-11-28 03:56:00,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:00,343 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-28 03:56:00,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-28 03:56:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:56:00,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:00,344 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:00,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:56:00,345 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:00,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:00,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1393009483, now seen corresponding path program 1 times [2024-11-28 03:56:00,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:00,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054797298] [2024-11-28 03:56:00,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:00,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [286830001] [2024-11-28 03:56:00,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:00,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:00,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:00,372 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:00,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:56:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:00,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:56:00,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:00,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:00,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:00,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054797298] [2024-11-28 03:56:00,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:00,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286830001] [2024-11-28 03:56:00,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286830001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:00,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:00,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:00,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838778253] [2024-11-28 03:56:00,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:00,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:00,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:00,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:00,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:00,582 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:00,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:00,766 INFO L93 Difference]: Finished difference Result 220 states and 244 transitions. [2024-11-28 03:56:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-28 03:56:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:00,768 INFO L225 Difference]: With dead ends: 220 [2024-11-28 03:56:00,768 INFO L226 Difference]: Without dead ends: 219 [2024-11-28 03:56:00,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:00,771 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 62 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:00,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 344 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:00,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-28 03:56:00,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 197. [2024-11-28 03:56:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6893939393939394) internal successors, (223), 184 states have internal predecessors, (223), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:56:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 243 transitions. [2024-11-28 03:56:00,790 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 243 transitions. Word has length 28 [2024-11-28 03:56:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:00,791 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 243 transitions. [2024-11-28 03:56:00,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 243 transitions. [2024-11-28 03:56:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:56:00,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:00,794 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:00,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:56:00,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 03:56:00,998 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:00,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:00,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1414004156, now seen corresponding path program 1 times [2024-11-28 03:56:00,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:00,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586681944] [2024-11-28 03:56:00,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:01,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:01,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892106437] [2024-11-28 03:56:01,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:01,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:01,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:01,024 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:01,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:56:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:01,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:56:01,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:01,116 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:01,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:01,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586681944] [2024-11-28 03:56:01,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:01,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892106437] [2024-11-28 03:56:01,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892106437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:01,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:01,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:56:01,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591426445] [2024-11-28 03:56:01,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:01,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:01,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:01,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:01,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:01,119 INFO L87 Difference]: Start difference. First operand 197 states and 243 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:01,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:01,244 INFO L93 Difference]: Finished difference Result 223 states and 243 transitions. [2024-11-28 03:56:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:01,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-28 03:56:01,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:01,247 INFO L225 Difference]: With dead ends: 223 [2024-11-28 03:56:01,247 INFO L226 Difference]: Without dead ends: 221 [2024-11-28 03:56:01,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:01,248 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 61 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:01,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 273 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:56:01,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-28 03:56:01,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 197. [2024-11-28 03:56:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 184 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:56:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 241 transitions. [2024-11-28 03:56:01,262 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 241 transitions. Word has length 28 [2024-11-28 03:56:01,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:01,263 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 241 transitions. [2024-11-28 03:56:01,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 241 transitions. [2024-11-28 03:56:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:56:01,264 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:01,264 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:01,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:01,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 03:56:01,465 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:01,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:01,465 INFO L85 PathProgramCache]: Analyzing trace with hash -233620844, now seen corresponding path program 1 times [2024-11-28 03:56:01,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:01,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533754361] [2024-11-28 03:56:01,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:01,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:01,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038761989] [2024-11-28 03:56:01,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:01,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:01,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:01,482 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:01,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:56:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:01,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:56:01,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:01,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:01,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:01,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533754361] [2024-11-28 03:56:01,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:01,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038761989] [2024-11-28 03:56:01,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038761989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:01,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:01,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:56:01,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136991104] [2024-11-28 03:56:01,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:01,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:01,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:01,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:01,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:01,572 INFO L87 Difference]: Start difference. First operand 197 states and 241 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:01,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:01,662 INFO L93 Difference]: Finished difference Result 320 states and 411 transitions. [2024-11-28 03:56:01,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:01,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-28 03:56:01,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:01,664 INFO L225 Difference]: With dead ends: 320 [2024-11-28 03:56:01,664 INFO L226 Difference]: Without dead ends: 314 [2024-11-28 03:56:01,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:01,667 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 63 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:01,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 238 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:56:01,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-28 03:56:01,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 280. [2024-11-28 03:56:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 259 states have internal predecessors, (347), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 383 transitions. [2024-11-28 03:56:01,696 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 383 transitions. Word has length 29 [2024-11-28 03:56:01,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:01,696 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 383 transitions. [2024-11-28 03:56:01,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 383 transitions. [2024-11-28 03:56:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:56:01,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:01,697 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:01,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:01,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:56:01,898 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:01,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:01,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1648325466, now seen corresponding path program 1 times [2024-11-28 03:56:01,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:01,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136763838] [2024-11-28 03:56:01,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:01,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:01,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711150525] [2024-11-28 03:56:01,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:01,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:01,918 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:01,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:56:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:01,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:01,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:02,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:02,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:02,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136763838] [2024-11-28 03:56:02,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:02,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711150525] [2024-11-28 03:56:02,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711150525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:02,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:02,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:02,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516900466] [2024-11-28 03:56:02,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:02,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:02,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:02,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:02,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:02,078 INFO L87 Difference]: Start difference. First operand 280 states and 383 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:02,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:02,253 INFO L93 Difference]: Finished difference Result 301 states and 383 transitions. [2024-11-28 03:56:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:02,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-28 03:56:02,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:02,256 INFO L225 Difference]: With dead ends: 301 [2024-11-28 03:56:02,256 INFO L226 Difference]: Without dead ends: 300 [2024-11-28 03:56:02,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:02,257 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 195 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:02,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 223 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:56:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-28 03:56:02,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2024-11-28 03:56:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6666666666666667) internal successors, (345), 259 states have internal predecessors, (345), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 381 transitions. [2024-11-28 03:56:02,285 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 381 transitions. Word has length 30 [2024-11-28 03:56:02,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:02,285 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 381 transitions. [2024-11-28 03:56:02,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2024-11-28 03:56:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:56:02,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:02,288 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:02,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:56:02,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 03:56:02,489 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:02,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:02,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1171326218, now seen corresponding path program 1 times [2024-11-28 03:56:02,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:02,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983152726] [2024-11-28 03:56:02,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:02,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:02,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:02,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983152726] [2024-11-28 03:56:02,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983152726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:02,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:02,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:02,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384627949] [2024-11-28 03:56:02,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:02,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:02,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:02,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:02,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:02,596 INFO L87 Difference]: Start difference. First operand 280 states and 381 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:03,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:03,108 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2024-11-28 03:56:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:03,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-28 03:56:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:03,110 INFO L225 Difference]: With dead ends: 312 [2024-11-28 03:56:03,111 INFO L226 Difference]: Without dead ends: 311 [2024-11-28 03:56:03,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:03,112 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 63 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:03,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 516 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:56:03,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-28 03:56:03,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 285. [2024-11-28 03:56:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.6603773584905661) internal successors, (352), 264 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2024-11-28 03:56:03,128 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 31 [2024-11-28 03:56:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:03,128 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2024-11-28 03:56:03,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2024-11-28 03:56:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 03:56:03,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:03,129 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:03,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:56:03,129 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:03,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash 441518201, now seen corresponding path program 1 times [2024-11-28 03:56:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826666078] [2024-11-28 03:56:03,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:03,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:03,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195802612] [2024-11-28 03:56:03,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:03,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:03,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:03,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:56:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:03,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:03,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:03,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:03,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:03,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826666078] [2024-11-28 03:56:03,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:03,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195802612] [2024-11-28 03:56:03,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195802612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:03,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:03,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:03,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705956302] [2024-11-28 03:56:03,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:03,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:03,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:03,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:03,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:03,290 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:03,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:03,487 INFO L93 Difference]: Finished difference Result 306 states and 388 transitions. [2024-11-28 03:56:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:03,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-28 03:56:03,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:03,489 INFO L225 Difference]: With dead ends: 306 [2024-11-28 03:56:03,489 INFO L226 Difference]: Without dead ends: 305 [2024-11-28 03:56:03,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:03,490 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 157 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:03,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 236 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-28 03:56:03,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2024-11-28 03:56:03,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.650943396226415) internal successors, (350), 264 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 386 transitions. [2024-11-28 03:56:03,508 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 386 transitions. Word has length 31 [2024-11-28 03:56:03,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:03,508 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 386 transitions. [2024-11-28 03:56:03,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 386 transitions. [2024-11-28 03:56:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:56:03,509 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:03,509 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:03,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:03,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:56:03,714 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:03,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:03,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1951374215, now seen corresponding path program 1 times [2024-11-28 03:56:03,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:03,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559239496] [2024-11-28 03:56:03,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:03,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:03,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893621486] [2024-11-28 03:56:03,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:03,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:03,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:03,730 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:03,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:56:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:03,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:56:03,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:03,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:03,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:03,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559239496] [2024-11-28 03:56:03,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:03,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893621486] [2024-11-28 03:56:03,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893621486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:03,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:03,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:03,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321108389] [2024-11-28 03:56:03,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:03,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:03,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:03,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:03,887 INFO L87 Difference]: Start difference. First operand 285 states and 386 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:04,116 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2024-11-28 03:56:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:04,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-28 03:56:04,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:04,118 INFO L225 Difference]: With dead ends: 329 [2024-11-28 03:56:04,118 INFO L226 Difference]: Without dead ends: 328 [2024-11-28 03:56:04,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:04,119 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:04,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 419 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:04,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-28 03:56:04,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 287. [2024-11-28 03:56:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.644859813084112) internal successors, (352), 266 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:04,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 388 transitions. [2024-11-28 03:56:04,138 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 388 transitions. Word has length 32 [2024-11-28 03:56:04,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:04,138 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 388 transitions. [2024-11-28 03:56:04,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2024-11-28 03:56:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:56:04,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:04,141 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:04,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:56:04,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:56:04,342 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:04,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:04,343 INFO L85 PathProgramCache]: Analyzing trace with hash 802162440, now seen corresponding path program 1 times [2024-11-28 03:56:04,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:04,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300805118] [2024-11-28 03:56:04,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:04,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:04,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1154337798] [2024-11-28 03:56:04,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:04,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:04,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:04,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:04,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:56:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:04,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:04,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:04,478 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:04,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:04,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300805118] [2024-11-28 03:56:04,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:04,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154337798] [2024-11-28 03:56:04,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154337798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:04,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:04,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:04,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257769016] [2024-11-28 03:56:04,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:04,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:04,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:04,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:04,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:04,481 INFO L87 Difference]: Start difference. First operand 287 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:04,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:04,599 INFO L93 Difference]: Finished difference Result 313 states and 391 transitions. [2024-11-28 03:56:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:04,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-28 03:56:04,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:04,601 INFO L225 Difference]: With dead ends: 313 [2024-11-28 03:56:04,601 INFO L226 Difference]: Without dead ends: 312 [2024-11-28 03:56:04,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:04,602 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 115 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:04,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 297 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:56:04,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-28 03:56:04,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 287. [2024-11-28 03:56:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6355140186915889) internal successors, (350), 266 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 386 transitions. [2024-11-28 03:56:04,622 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 386 transitions. Word has length 32 [2024-11-28 03:56:04,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:04,623 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 386 transitions. [2024-11-28 03:56:04,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 386 transitions. [2024-11-28 03:56:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 03:56:04,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:04,624 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:04,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:04,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 03:56:04,828 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:04,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:04,829 INFO L85 PathProgramCache]: Analyzing trace with hash -902768037, now seen corresponding path program 1 times [2024-11-28 03:56:04,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:04,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971554757] [2024-11-28 03:56:04,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:04,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610947485] [2024-11-28 03:56:04,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:04,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:04,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:04,844 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:04,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:56:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:04,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:04,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:04,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:04,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:04,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971554757] [2024-11-28 03:56:04,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:04,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610947485] [2024-11-28 03:56:04,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610947485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:04,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:04,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:04,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293337365] [2024-11-28 03:56:04,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:04,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:04,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:04,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:05,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:05,000 INFO L87 Difference]: Start difference. First operand 287 states and 386 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:05,264 INFO L93 Difference]: Finished difference Result 314 states and 390 transitions. [2024-11-28 03:56:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:05,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-28 03:56:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:05,267 INFO L225 Difference]: With dead ends: 314 [2024-11-28 03:56:05,267 INFO L226 Difference]: Without dead ends: 313 [2024-11-28 03:56:05,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:05,267 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 67 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:05,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 379 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:05,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-28 03:56:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2024-11-28 03:56:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6261682242990654) internal successors, (348), 266 states have internal predecessors, (348), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 384 transitions. [2024-11-28 03:56:05,286 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 384 transitions. Word has length 33 [2024-11-28 03:56:05,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:05,287 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 384 transitions. [2024-11-28 03:56:05,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 384 transitions. [2024-11-28 03:56:05,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 03:56:05,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:05,287 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:05,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 03:56:05,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:05,488 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:05,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:05,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1006848912, now seen corresponding path program 1 times [2024-11-28 03:56:05,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:05,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403217096] [2024-11-28 03:56:05,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:05,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:05,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:05,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403217096] [2024-11-28 03:56:05,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403217096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:05,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536919025] [2024-11-28 03:56:05,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:05,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:05,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:05,594 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:05,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:56:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:05,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:56:05,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:05,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:05,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536919025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:05,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2024-11-28 03:56:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181487083] [2024-11-28 03:56:05,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:05,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:56:05,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:05,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:56:05,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:56:05,741 INFO L87 Difference]: Start difference. First operand 287 states and 384 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:05,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:05,896 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2024-11-28 03:56:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:56:05,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-28 03:56:05,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:05,899 INFO L225 Difference]: With dead ends: 331 [2024-11-28 03:56:05,899 INFO L226 Difference]: Without dead ends: 329 [2024-11-28 03:56:05,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:56:05,901 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 95 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:05,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 770 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:56:05,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-28 03:56:05,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 292. [2024-11-28 03:56:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 219 states have (on average 1.6164383561643836) internal successors, (354), 271 states have internal predecessors, (354), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 390 transitions. [2024-11-28 03:56:05,925 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 390 transitions. Word has length 35 [2024-11-28 03:56:05,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:05,925 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 390 transitions. [2024-11-28 03:56:05,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 390 transitions. [2024-11-28 03:56:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-28 03:56:05,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:05,926 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:05,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:56:06,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:06,127 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:06,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:06,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1214161164, now seen corresponding path program 1 times [2024-11-28 03:56:06,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:06,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442801193] [2024-11-28 03:56:06,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:06,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:06,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:06,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442801193] [2024-11-28 03:56:06,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442801193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:06,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117875703] [2024-11-28 03:56:06,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:06,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:06,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:06,229 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:06,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:56:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:06,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:56:06,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:06,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:06,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:06,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117875703] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:06,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:56:06,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-28 03:56:06,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147153625] [2024-11-28 03:56:06,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:06,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:56:06,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:06,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:56:06,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:56:06,480 INFO L87 Difference]: Start difference. First operand 292 states and 390 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:06,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:06,670 INFO L93 Difference]: Finished difference Result 528 states and 673 transitions. [2024-11-28 03:56:06,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:56:06,670 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2024-11-28 03:56:06,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:06,672 INFO L225 Difference]: With dead ends: 528 [2024-11-28 03:56:06,672 INFO L226 Difference]: Without dead ends: 351 [2024-11-28 03:56:06,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:56:06,674 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 96 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:06,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 944 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:56:06,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-28 03:56:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 315. [2024-11-28 03:56:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 242 states have (on average 1.5826446280991735) internal successors, (383), 294 states have internal predecessors, (383), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:56:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 419 transitions. [2024-11-28 03:56:06,700 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 419 transitions. Word has length 37 [2024-11-28 03:56:06,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:06,700 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 419 transitions. [2024-11-28 03:56:06,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:56:06,700 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2024-11-28 03:56:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 03:56:06,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:06,701 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:06,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:06,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:06,902 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:06,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:06,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1015703870, now seen corresponding path program 1 times [2024-11-28 03:56:06,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:06,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690591562] [2024-11-28 03:56:06,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:07,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:07,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690591562] [2024-11-28 03:56:07,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690591562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:07,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398111688] [2024-11-28 03:56:07,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:07,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:07,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:07,026 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:07,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:56:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:07,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:56:07,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:07,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:07,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398111688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:07,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:56:07,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-28 03:56:07,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439990646] [2024-11-28 03:56:07,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:07,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:56:07,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:07,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:56:07,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:56:07,262 INFO L87 Difference]: Start difference. First operand 315 states and 419 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:56:08,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:08,063 INFO L93 Difference]: Finished difference Result 849 states and 1065 transitions. [2024-11-28 03:56:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:56:08,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-28 03:56:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:08,067 INFO L225 Difference]: With dead ends: 849 [2024-11-28 03:56:08,067 INFO L226 Difference]: Without dead ends: 821 [2024-11-28 03:56:08,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:56:08,070 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 874 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:08,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 927 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:56:08,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-28 03:56:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 459. [2024-11-28 03:56:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6084656084656084) internal successors, (608), 430 states have internal predecessors, (608), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:56:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 660 transitions. [2024-11-28 03:56:08,105 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 660 transitions. Word has length 38 [2024-11-28 03:56:08,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:08,105 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 660 transitions. [2024-11-28 03:56:08,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:56:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 660 transitions. [2024-11-28 03:56:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 03:56:08,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:08,106 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:08,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:08,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 03:56:08,307 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:08,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:08,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1650777160, now seen corresponding path program 1 times [2024-11-28 03:56:08,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:08,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672188645] [2024-11-28 03:56:08,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:08,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1038549231] [2024-11-28 03:56:08,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:08,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:08,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:08,321 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:08,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 03:56:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:08,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:08,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:08,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:08,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:08,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672188645] [2024-11-28 03:56:08,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:08,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038549231] [2024-11-28 03:56:08,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038549231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:08,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:08,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:08,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853551031] [2024-11-28 03:56:08,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:08,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:08,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:08,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:08,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:08,488 INFO L87 Difference]: Start difference. First operand 459 states and 660 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:08,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:08,664 INFO L93 Difference]: Finished difference Result 479 states and 662 transitions. [2024-11-28 03:56:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:08,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-11-28 03:56:08,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:08,667 INFO L225 Difference]: With dead ends: 479 [2024-11-28 03:56:08,667 INFO L226 Difference]: Without dead ends: 478 [2024-11-28 03:56:08,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:08,668 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 197 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:08,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 219 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:56:08,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-28 03:56:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 459. [2024-11-28 03:56:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6031746031746033) internal successors, (606), 430 states have internal predecessors, (606), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:56:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 658 transitions. [2024-11-28 03:56:08,699 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 658 transitions. Word has length 41 [2024-11-28 03:56:08,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:08,699 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 658 transitions. [2024-11-28 03:56:08,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 658 transitions. [2024-11-28 03:56:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:56:08,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:08,700 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:08,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 03:56:08,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:08,905 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:08,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:08,905 INFO L85 PathProgramCache]: Analyzing trace with hash -365515484, now seen corresponding path program 1 times [2024-11-28 03:56:08,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:08,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439447242] [2024-11-28 03:56:08,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:08,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565768174] [2024-11-28 03:56:08,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:08,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:08,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:08,920 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:08,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 03:56:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:08,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:56:08,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:09,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:09,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:09,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439447242] [2024-11-28 03:56:09,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:09,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565768174] [2024-11-28 03:56:09,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565768174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:09,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:09,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:56:09,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081608587] [2024-11-28 03:56:09,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:09,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:56:09,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:09,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:56:09,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:56:09,152 INFO L87 Difference]: Start difference. First operand 459 states and 658 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:09,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:09,781 INFO L93 Difference]: Finished difference Result 488 states and 664 transitions. [2024-11-28 03:56:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:56:09,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-28 03:56:09,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:09,784 INFO L225 Difference]: With dead ends: 488 [2024-11-28 03:56:09,784 INFO L226 Difference]: Without dead ends: 487 [2024-11-28 03:56:09,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:56:09,785 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 391 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:09,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 357 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:56:09,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-28 03:56:09,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-28 03:56:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.597883597883598) internal successors, (604), 430 states have internal predecessors, (604), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:56:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2024-11-28 03:56:09,813 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 42 [2024-11-28 03:56:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:09,813 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2024-11-28 03:56:09,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2024-11-28 03:56:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 03:56:09,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:09,814 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:09,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:10,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:10,018 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:10,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:10,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1553921994, now seen corresponding path program 1 times [2024-11-28 03:56:10,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:10,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938334563] [2024-11-28 03:56:10,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:10,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:10,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853863107] [2024-11-28 03:56:10,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:10,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:10,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:10,033 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:10,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 03:56:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:10,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:10,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:10,136 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:10,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938334563] [2024-11-28 03:56:10,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853863107] [2024-11-28 03:56:10,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853863107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:10,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:10,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:10,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878042159] [2024-11-28 03:56:10,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:10,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:10,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:10,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:10,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:10,138 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:10,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:10,321 INFO L93 Difference]: Finished difference Result 488 states and 667 transitions. [2024-11-28 03:56:10,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:10,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2024-11-28 03:56:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:10,324 INFO L225 Difference]: With dead ends: 488 [2024-11-28 03:56:10,324 INFO L226 Difference]: Without dead ends: 487 [2024-11-28 03:56:10,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:10,325 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 107 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:10,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 291 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-28 03:56:10,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-28 03:56:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5925925925925926) internal successors, (602), 430 states have internal predecessors, (602), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:56:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 654 transitions. [2024-11-28 03:56:10,354 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 654 transitions. Word has length 43 [2024-11-28 03:56:10,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:10,354 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 654 transitions. [2024-11-28 03:56:10,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 654 transitions. [2024-11-28 03:56:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 03:56:10,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:10,355 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:10,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:10,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:10,559 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:10,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:10,560 INFO L85 PathProgramCache]: Analyzing trace with hash 926941670, now seen corresponding path program 1 times [2024-11-28 03:56:10,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:10,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045590471] [2024-11-28 03:56:10,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:10,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:10,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237200370] [2024-11-28 03:56:10,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:10,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:10,580 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:10,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 03:56:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:10,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:10,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:10,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:10,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:10,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045590471] [2024-11-28 03:56:10,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:10,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237200370] [2024-11-28 03:56:10,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237200370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:10,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:10,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318217989] [2024-11-28 03:56:10,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:10,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:56:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:10,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:56:10,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:10,713 INFO L87 Difference]: Start difference. First operand 459 states and 654 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:11,229 INFO L93 Difference]: Finished difference Result 489 states and 666 transitions. [2024-11-28 03:56:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:56:11,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2024-11-28 03:56:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:11,232 INFO L225 Difference]: With dead ends: 489 [2024-11-28 03:56:11,233 INFO L226 Difference]: Without dead ends: 488 [2024-11-28 03:56:11,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:56:11,234 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 67 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:11,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 359 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:56:11,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-28 03:56:11,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 459. [2024-11-28 03:56:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5873015873015872) internal successors, (600), 430 states have internal predecessors, (600), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:56:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 652 transitions. [2024-11-28 03:56:11,264 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 652 transitions. Word has length 44 [2024-11-28 03:56:11,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:11,264 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 652 transitions. [2024-11-28 03:56:11,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:56:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 652 transitions. [2024-11-28 03:56:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-28 03:56:11,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:11,265 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:11,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 03:56:11,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:11,466 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:11,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:11,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1926790211, now seen corresponding path program 1 times [2024-11-28 03:56:11,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:11,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099838879] [2024-11-28 03:56:11,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:11,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:11,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:11,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099838879] [2024-11-28 03:56:11,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099838879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:11,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001489844] [2024-11-28 03:56:11,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:11,639 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:11,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 03:56:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:11,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:56:11,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:11,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:12,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001489844] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:12,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:56:12,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-28 03:56:12,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319182947] [2024-11-28 03:56:12,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:12,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 03:56:12,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:12,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 03:56:12,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2024-11-28 03:56:12,119 INFO L87 Difference]: Start difference. First operand 459 states and 652 transitions. Second operand has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:12,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:12,876 INFO L93 Difference]: Finished difference Result 1305 states and 1810 transitions. [2024-11-28 03:56:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-28 03:56:12,877 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-28 03:56:12,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:12,881 INFO L225 Difference]: With dead ends: 1305 [2024-11-28 03:56:12,881 INFO L226 Difference]: Without dead ends: 984 [2024-11-28 03:56:12,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2024-11-28 03:56:12,883 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 625 mSDsluCounter, 2117 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:12,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 2293 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-28 03:56:12,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 779. [2024-11-28 03:56:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 668 states have (on average 1.598802395209581) internal successors, (1068), 720 states have internal predecessors, (1068), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 03:56:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1176 transitions. [2024-11-28 03:56:12,940 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1176 transitions. Word has length 45 [2024-11-28 03:56:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:12,940 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1176 transitions. [2024-11-28 03:56:12,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1176 transitions. [2024-11-28 03:56:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 03:56:12,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:12,941 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:12,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:13,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:13,142 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:13,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:13,143 INFO L85 PathProgramCache]: Analyzing trace with hash -398368274, now seen corresponding path program 1 times [2024-11-28 03:56:13,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:13,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742768350] [2024-11-28 03:56:13,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:13,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:13,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742768350] [2024-11-28 03:56:13,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742768350] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:13,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983748063] [2024-11-28 03:56:13,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:13,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:13,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:13,268 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:13,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 03:56:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:13,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:56:13,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:13,383 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:13,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983748063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:13,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:13,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-28 03:56:13,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786336852] [2024-11-28 03:56:13,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:13,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:13,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:13,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:13,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:56:13,384 INFO L87 Difference]: Start difference. First operand 779 states and 1176 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:13,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:13,747 INFO L93 Difference]: Finished difference Result 1668 states and 2497 transitions. [2024-11-28 03:56:13,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:56:13,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-28 03:56:13,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:13,752 INFO L225 Difference]: With dead ends: 1668 [2024-11-28 03:56:13,752 INFO L226 Difference]: Without dead ends: 1220 [2024-11-28 03:56:13,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:56:13,755 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 216 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:13,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 785 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:13,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-28 03:56:13,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 876. [2024-11-28 03:56:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 765 states have (on average 1.5869281045751633) internal successors, (1214), 817 states have internal predecessors, (1214), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 03:56:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1322 transitions. [2024-11-28 03:56:13,824 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1322 transitions. Word has length 46 [2024-11-28 03:56:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:13,824 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1322 transitions. [2024-11-28 03:56:13,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1322 transitions. [2024-11-28 03:56:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 03:56:13,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:13,825 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:13,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-28 03:56:14,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 03:56:14,026 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:14,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:14,026 INFO L85 PathProgramCache]: Analyzing trace with hash 514490888, now seen corresponding path program 1 times [2024-11-28 03:56:14,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:14,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99381501] [2024-11-28 03:56:14,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:14,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:14,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149101975] [2024-11-28 03:56:14,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:14,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:14,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:14,040 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:14,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 03:56:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:14,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:56:14,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:14,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:14,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:14,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99381501] [2024-11-28 03:56:14,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:14,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149101975] [2024-11-28 03:56:14,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149101975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:14,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:56:14,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-28 03:56:14,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628802084] [2024-11-28 03:56:14,720 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:14,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:56:14,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:14,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:56:14,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:56:14,721 INFO L87 Difference]: Start difference. First operand 876 states and 1322 transitions. Second operand has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:15,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:15,620 INFO L93 Difference]: Finished difference Result 1648 states and 2474 transitions. [2024-11-28 03:56:15,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:56:15,621 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-11-28 03:56:15,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:15,627 INFO L225 Difference]: With dead ends: 1648 [2024-11-28 03:56:15,627 INFO L226 Difference]: Without dead ends: 1645 [2024-11-28 03:56:15,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:56:15,629 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 985 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:15,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [986 Valid, 759 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:56:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2024-11-28 03:56:15,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1121. [2024-11-28 03:56:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1007 states have (on average 1.5938430983118173) internal successors, (1605), 1059 states have internal predecessors, (1605), 57 states have call successors, (57), 4 states have call predecessors, (57), 4 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-28 03:56:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1719 transitions. [2024-11-28 03:56:15,727 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1719 transitions. Word has length 47 [2024-11-28 03:56:15,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:15,727 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1719 transitions. [2024-11-28 03:56:15,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1719 transitions. [2024-11-28 03:56:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 03:56:15,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:15,729 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:15,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:15,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 03:56:15,933 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:15,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:15,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1230651565, now seen corresponding path program 1 times [2024-11-28 03:56:15,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:15,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868313563] [2024-11-28 03:56:15,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:15,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:15,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [856979516] [2024-11-28 03:56:15,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:15,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:15,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:15,948 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 03:56:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:15,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:56:15,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:16,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:16,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:16,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868313563] [2024-11-28 03:56:16,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:16,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856979516] [2024-11-28 03:56:16,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856979516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:16,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:16,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 03:56:16,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211445523] [2024-11-28 03:56:16,935 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:16,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:56:16,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:16,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:56:16,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:56:16,936 INFO L87 Difference]: Start difference. First operand 1121 states and 1719 transitions. Second operand has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:17,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:17,295 INFO L93 Difference]: Finished difference Result 1558 states and 2383 transitions. [2024-11-28 03:56:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:56:17,296 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2024-11-28 03:56:17,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:17,302 INFO L225 Difference]: With dead ends: 1558 [2024-11-28 03:56:17,302 INFO L226 Difference]: Without dead ends: 1556 [2024-11-28 03:56:17,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:56:17,304 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 690 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:17,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 487 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:17,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2024-11-28 03:56:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1426. [2024-11-28 03:56:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6133540372670807) internal successors, (2078), 1340 states have internal predecessors, (2078), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-28 03:56:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2240 transitions. [2024-11-28 03:56:17,413 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2240 transitions. Word has length 48 [2024-11-28 03:56:17,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:17,413 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2240 transitions. [2024-11-28 03:56:17,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:56:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2240 transitions. [2024-11-28 03:56:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 03:56:17,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:17,414 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:17,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 03:56:17,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:17,615 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:17,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:17,615 INFO L85 PathProgramCache]: Analyzing trace with hash 504507242, now seen corresponding path program 1 times [2024-11-28 03:56:17,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:17,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533624713] [2024-11-28 03:56:17,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:17,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:17,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [764007920] [2024-11-28 03:56:17,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:17,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:17,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:17,630 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:17,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 03:56:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:17,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:56:17,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:17,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:18,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:18,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533624713] [2024-11-28 03:56:18,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:18,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764007920] [2024-11-28 03:56:18,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764007920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:18,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:18,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 03:56:18,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296418764] [2024-11-28 03:56:18,135 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:18,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:56:18,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:18,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:56:18,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:56:18,136 INFO L87 Difference]: Start difference. First operand 1426 states and 2240 transitions. Second operand has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:56:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:18,616 INFO L93 Difference]: Finished difference Result 1492 states and 2265 transitions. [2024-11-28 03:56:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:56:18,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-28 03:56:18,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:18,622 INFO L225 Difference]: With dead ends: 1492 [2024-11-28 03:56:18,622 INFO L226 Difference]: Without dead ends: 1490 [2024-11-28 03:56:18,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:56:18,624 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 407 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:18,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 488 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:56:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-28 03:56:18,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2024-11-28 03:56:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6055900621118013) internal successors, (2068), 1340 states have internal predecessors, (2068), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-28 03:56:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2230 transitions. [2024-11-28 03:56:18,747 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2230 transitions. Word has length 49 [2024-11-28 03:56:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:18,747 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2230 transitions. [2024-11-28 03:56:18,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:56:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2230 transitions. [2024-11-28 03:56:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-28 03:56:18,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:18,748 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:18,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:18,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-28 03:56:18,950 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:18,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1540144587, now seen corresponding path program 1 times [2024-11-28 03:56:18,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:18,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286468000] [2024-11-28 03:56:18,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:18,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894782116] [2024-11-28 03:56:18,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:18,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:18,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:18,973 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:18,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 03:56:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:19,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:56:19,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:19,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:19,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:19,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286468000] [2024-11-28 03:56:19,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:19,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894782116] [2024-11-28 03:56:19,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894782116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:19,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:19,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 03:56:19,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760660873] [2024-11-28 03:56:19,926 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:19,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:56:19,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:19,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:56:19,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:56:19,927 INFO L87 Difference]: Start difference. First operand 1426 states and 2230 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:56:20,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:20,310 INFO L93 Difference]: Finished difference Result 1492 states and 2255 transitions. [2024-11-28 03:56:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:56:20,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-11-28 03:56:20,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:20,318 INFO L225 Difference]: With dead ends: 1492 [2024-11-28 03:56:20,318 INFO L226 Difference]: Without dead ends: 1490 [2024-11-28 03:56:20,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:56:20,323 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 363 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:20,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 691 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:20,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-28 03:56:20,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2024-11-28 03:56:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5978260869565217) internal successors, (2058), 1340 states have internal predecessors, (2058), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-28 03:56:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2220 transitions. [2024-11-28 03:56:20,458 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2220 transitions. Word has length 50 [2024-11-28 03:56:20,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:20,458 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2220 transitions. [2024-11-28 03:56:20,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:56:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2220 transitions. [2024-11-28 03:56:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 03:56:20,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:20,459 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:20,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:20,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 03:56:20,660 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:20,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:20,661 INFO L85 PathProgramCache]: Analyzing trace with hash 239648188, now seen corresponding path program 1 times [2024-11-28 03:56:20,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:20,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600730975] [2024-11-28 03:56:20,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:20,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 03:56:20,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:20,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600730975] [2024-11-28 03:56:20,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600730975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:20,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553106126] [2024-11-28 03:56:20,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:20,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:20,846 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:20,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 03:56:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:20,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:56:20,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:56:21,068 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:21,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553106126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:21,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:21,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-28 03:56:21,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854735647] [2024-11-28 03:56:21,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:21,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:21,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:21,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:21,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:56:21,070 INFO L87 Difference]: Start difference. First operand 1426 states and 2220 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:21,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:21,479 INFO L93 Difference]: Finished difference Result 1458 states and 2228 transitions. [2024-11-28 03:56:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:21,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-28 03:56:21,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:21,485 INFO L225 Difference]: With dead ends: 1458 [2024-11-28 03:56:21,485 INFO L226 Difference]: Without dead ends: 1457 [2024-11-28 03:56:21,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:56:21,486 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 314 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:21,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 317 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-28 03:56:21,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1426. [2024-11-28 03:56:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.595496894409938) internal successors, (2055), 1340 states have internal predecessors, (2055), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-28 03:56:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2217 transitions. [2024-11-28 03:56:21,615 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2217 transitions. Word has length 52 [2024-11-28 03:56:21,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:21,615 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2217 transitions. [2024-11-28 03:56:21,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2217 transitions. [2024-11-28 03:56:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 03:56:21,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:21,616 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:21,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-28 03:56:21,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:21,818 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:21,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:21,818 INFO L85 PathProgramCache]: Analyzing trace with hash -499841844, now seen corresponding path program 1 times [2024-11-28 03:56:21,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:21,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630063837] [2024-11-28 03:56:21,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:21,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:21,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134862076] [2024-11-28 03:56:21,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:21,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:21,838 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:21,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 03:56:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:21,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:56:21,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:22,224 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:22,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:22,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630063837] [2024-11-28 03:56:22,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:22,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134862076] [2024-11-28 03:56:22,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134862076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:22,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:56:22,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-28 03:56:22,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255792658] [2024-11-28 03:56:22,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:22,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:56:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:22,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:56:22,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:56:22,612 INFO L87 Difference]: Start difference. First operand 1426 states and 2217 transitions. Second operand has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 03:56:24,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:24,180 INFO L93 Difference]: Finished difference Result 1499 states and 2242 transitions. [2024-11-28 03:56:24,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:56:24,181 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-28 03:56:24,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:24,187 INFO L225 Difference]: With dead ends: 1499 [2024-11-28 03:56:24,188 INFO L226 Difference]: Without dead ends: 1498 [2024-11-28 03:56:24,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:56:24,189 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 434 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:24,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 1095 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:56:24,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2024-11-28 03:56:24,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1426. [2024-11-28 03:56:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5885093167701863) internal successors, (2046), 1340 states have internal predecessors, (2046), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-28 03:56:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2208 transitions. [2024-11-28 03:56:24,318 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2208 transitions. Word has length 51 [2024-11-28 03:56:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:24,318 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2208 transitions. [2024-11-28 03:56:24,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 03:56:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2208 transitions. [2024-11-28 03:56:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 03:56:24,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:24,319 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:24,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:24,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-28 03:56:24,523 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:24,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:24,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1160840643, now seen corresponding path program 1 times [2024-11-28 03:56:24,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:24,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342328498] [2024-11-28 03:56:24,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:24,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:24,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375314838] [2024-11-28 03:56:24,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:24,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:24,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:24,536 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:24,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 03:56:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:24,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:56:24,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:56:24,700 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:24,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342328498] [2024-11-28 03:56:24,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:24,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375314838] [2024-11-28 03:56:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375314838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:24,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:24,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:24,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797467878] [2024-11-28 03:56:24,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:24,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:24,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:24,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:24,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:24,702 INFO L87 Difference]: Start difference. First operand 1426 states and 2208 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:25,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:25,164 INFO L93 Difference]: Finished difference Result 1458 states and 2216 transitions. [2024-11-28 03:56:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:25,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2024-11-28 03:56:25,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:25,170 INFO L225 Difference]: With dead ends: 1458 [2024-11-28 03:56:25,171 INFO L226 Difference]: Without dead ends: 1457 [2024-11-28 03:56:25,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:56:25,172 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 311 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:25,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 319 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:25,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-28 03:56:25,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1426. [2024-11-28 03:56:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5861801242236024) internal successors, (2043), 1340 states have internal predecessors, (2043), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-28 03:56:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2205 transitions. [2024-11-28 03:56:25,307 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2205 transitions. Word has length 53 [2024-11-28 03:56:25,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:25,307 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2205 transitions. [2024-11-28 03:56:25,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2205 transitions. [2024-11-28 03:56:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 03:56:25,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:25,308 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:25,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-28 03:56:25,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-28 03:56:25,509 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:25,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:25,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1684772119, now seen corresponding path program 1 times [2024-11-28 03:56:25,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:25,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563030713] [2024-11-28 03:56:25,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:25,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:25,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356470227] [2024-11-28 03:56:25,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:25,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:25,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:25,525 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:25,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 03:56:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:25,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:56:25,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:25,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:56:30,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:30,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563030713] [2024-11-28 03:56:30,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:30,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356470227] [2024-11-28 03:56:30,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356470227] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:30,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:56:30,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 03:56:30,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724603669] [2024-11-28 03:56:30,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:30,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:56:30,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:30,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:56:30,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2024-11-28 03:56:30,416 INFO L87 Difference]: Start difference. First operand 1426 states and 2205 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:31,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:31,571 INFO L93 Difference]: Finished difference Result 1501 states and 2232 transitions. [2024-11-28 03:56:31,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:56:31,571 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-28 03:56:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:31,577 INFO L225 Difference]: With dead ends: 1501 [2024-11-28 03:56:31,577 INFO L226 Difference]: Without dead ends: 1499 [2024-11-28 03:56:31,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=51, Invalid=104, Unknown=1, NotChecked=0, Total=156 [2024-11-28 03:56:31,578 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 589 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:31,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 656 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:56:31,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2024-11-28 03:56:31,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1427. [2024-11-28 03:56:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1289 states have (on average 1.5748642358417377) internal successors, (2030), 1341 states have internal predecessors, (2030), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-28 03:56:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2192 transitions. [2024-11-28 03:56:31,689 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2192 transitions. Word has length 52 [2024-11-28 03:56:31,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:31,689 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 2192 transitions. [2024-11-28 03:56:31,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:56:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2192 transitions. [2024-11-28 03:56:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 03:56:31,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:31,690 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:31,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-28 03:56:31,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-28 03:56:31,891 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:31,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:31,891 INFO L85 PathProgramCache]: Analyzing trace with hash -15041994, now seen corresponding path program 1 times [2024-11-28 03:56:31,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:31,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652615868] [2024-11-28 03:56:31,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:31,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:31,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184030107] [2024-11-28 03:56:31,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:31,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:31,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:31,908 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:31,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 03:56:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:31,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:56:31,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:56:32,097 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:32,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652615868] [2024-11-28 03:56:32,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184030107] [2024-11-28 03:56:32,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184030107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:32,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:32,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:32,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271725566] [2024-11-28 03:56:32,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:32,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:32,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:32,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:32,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:32,100 INFO L87 Difference]: Start difference. First operand 1427 states and 2192 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:56:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:32,457 INFO L93 Difference]: Finished difference Result 1489 states and 2259 transitions. [2024-11-28 03:56:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:32,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-28 03:56:32,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:32,463 INFO L225 Difference]: With dead ends: 1489 [2024-11-28 03:56:32,464 INFO L226 Difference]: Without dead ends: 1486 [2024-11-28 03:56:32,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:56:32,465 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 247 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:32,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 307 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-28 03:56:32,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2024-11-28 03:56:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5648218347232752) internal successors, (2064), 1371 states have internal predecessors, (2064), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-28 03:56:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2234 transitions. [2024-11-28 03:56:32,588 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2234 transitions. Word has length 59 [2024-11-28 03:56:32,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:32,589 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2234 transitions. [2024-11-28 03:56:32,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:56:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2234 transitions. [2024-11-28 03:56:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 03:56:32,589 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:32,590 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:32,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-28 03:56:32,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-28 03:56:32,790 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:32,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:32,791 INFO L85 PathProgramCache]: Analyzing trace with hash -2003392894, now seen corresponding path program 1 times [2024-11-28 03:56:32,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:32,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476250220] [2024-11-28 03:56:32,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:32,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:32,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273306500] [2024-11-28 03:56:32,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:32,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:32,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:32,804 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:32,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 03:56:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:32,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:56:32,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:33,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:37,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:37,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476250220] [2024-11-28 03:56:37,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:37,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273306500] [2024-11-28 03:56:37,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273306500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:37,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:37,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:56:37,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241676129] [2024-11-28 03:56:37,517 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:37,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:56:37,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:37,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:56:37,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=113, Unknown=1, NotChecked=0, Total=156 [2024-11-28 03:56:37,517 INFO L87 Difference]: Start difference. First operand 1461 states and 2234 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:56:37,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:37,941 INFO L93 Difference]: Finished difference Result 1583 states and 2367 transitions. [2024-11-28 03:56:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:56:37,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-11-28 03:56:37,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:37,948 INFO L225 Difference]: With dead ends: 1583 [2024-11-28 03:56:37,948 INFO L226 Difference]: Without dead ends: 1581 [2024-11-28 03:56:37,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=42, Invalid=113, Unknown=1, NotChecked=0, Total=156 [2024-11-28 03:56:37,950 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 310 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:37,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 836 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:37,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-28 03:56:38,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2024-11-28 03:56:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.55724033358605) internal successors, (2054), 1371 states have internal predecessors, (2054), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-28 03:56:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2224 transitions. [2024-11-28 03:56:38,087 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2224 transitions. Word has length 58 [2024-11-28 03:56:38,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:38,087 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2224 transitions. [2024-11-28 03:56:38,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:56:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2224 transitions. [2024-11-28 03:56:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 03:56:38,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:38,088 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:38,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:38,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-28 03:56:38,289 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:38,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash -466301688, now seen corresponding path program 1 times [2024-11-28 03:56:38,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:38,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290184948] [2024-11-28 03:56:38,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:38,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798490596] [2024-11-28 03:56:38,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:38,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:38,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:38,305 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:38,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-28 03:56:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:38,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:56:38,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:56:38,490 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:38,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:38,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290184948] [2024-11-28 03:56:38,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:38,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798490596] [2024-11-28 03:56:38,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798490596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:38,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:38,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:38,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442735792] [2024-11-28 03:56:38,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:38,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:38,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:38,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:38,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:38,491 INFO L87 Difference]: Start difference. First operand 1461 states and 2224 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:56:38,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:38,819 INFO L93 Difference]: Finished difference Result 1487 states and 2240 transitions. [2024-11-28 03:56:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:56:38,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-28 03:56:38,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:38,830 INFO L225 Difference]: With dead ends: 1487 [2024-11-28 03:56:38,830 INFO L226 Difference]: Without dead ends: 1486 [2024-11-28 03:56:38,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:56:38,836 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 245 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:38,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 308 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:38,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-28 03:56:38,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2024-11-28 03:56:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5549658832448825) internal successors, (2051), 1371 states have internal predecessors, (2051), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-28 03:56:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2221 transitions. [2024-11-28 03:56:38,971 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2221 transitions. Word has length 60 [2024-11-28 03:56:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:38,971 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2221 transitions. [2024-11-28 03:56:38,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:56:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2221 transitions. [2024-11-28 03:56:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 03:56:38,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:38,976 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:38,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:39,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-28 03:56:39,180 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:39,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1975637466, now seen corresponding path program 1 times [2024-11-28 03:56:39,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:39,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453706729] [2024-11-28 03:56:39,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:39,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:39,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340470224] [2024-11-28 03:56:39,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:39,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:39,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:39,220 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:39,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-28 03:56:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:39,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:56:39,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:39,575 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:44,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:44,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453706729] [2024-11-28 03:56:44,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:44,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340470224] [2024-11-28 03:56:44,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340470224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:44,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:44,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:56:44,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627011985] [2024-11-28 03:56:44,650 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:44,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:56:44,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:44,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:56:44,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=112, Unknown=2, NotChecked=0, Total=156 [2024-11-28 03:56:44,651 INFO L87 Difference]: Start difference. First operand 1461 states and 2221 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:56:45,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:45,012 INFO L93 Difference]: Finished difference Result 1583 states and 2354 transitions. [2024-11-28 03:56:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:56:45,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 59 [2024-11-28 03:56:45,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:45,017 INFO L225 Difference]: With dead ends: 1583 [2024-11-28 03:56:45,017 INFO L226 Difference]: Without dead ends: 1581 [2024-11-28 03:56:45,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=53, Invalid=127, Unknown=2, NotChecked=0, Total=182 [2024-11-28 03:56:45,019 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 496 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:45,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 547 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-28 03:56:45,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2024-11-28 03:56:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5473843821076574) internal successors, (2041), 1371 states have internal predecessors, (2041), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-28 03:56:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2211 transitions. [2024-11-28 03:56:45,116 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2211 transitions. Word has length 59 [2024-11-28 03:56:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:45,117 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2211 transitions. [2024-11-28 03:56:45,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:56:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2211 transitions. [2024-11-28 03:56:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 03:56:45,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:45,117 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:45,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:45,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-28 03:56:45,318 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:45,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:45,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1115219196, now seen corresponding path program 1 times [2024-11-28 03:56:45,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:45,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477834216] [2024-11-28 03:56:45,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:45,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:45,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950571619] [2024-11-28 03:56:45,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:45,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:45,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:45,332 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:45,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-28 03:56:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:45,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:56:45,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:45,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:45,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:46,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:46,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477834216] [2024-11-28 03:56:46,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:46,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950571619] [2024-11-28 03:56:46,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950571619] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:46,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:56:46,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-28 03:56:46,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317168506] [2024-11-28 03:56:46,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:46,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:56:46,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:46,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:56:46,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:56:46,070 INFO L87 Difference]: Start difference. First operand 1461 states and 2211 transitions. Second operand has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-28 03:56:48,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:48,470 INFO L93 Difference]: Finished difference Result 3564 states and 5372 transitions. [2024-11-28 03:56:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:56:48,471 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 60 [2024-11-28 03:56:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:48,483 INFO L225 Difference]: With dead ends: 3564 [2024-11-28 03:56:48,483 INFO L226 Difference]: Without dead ends: 3559 [2024-11-28 03:56:48,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:56:48,486 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 1283 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:48,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1285 Valid, 1221 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:56:48,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2024-11-28 03:56:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 1744. [2024-11-28 03:56:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1600 states have (on average 1.53) internal successors, (2448), 1652 states have internal predecessors, (2448), 87 states have call successors, (87), 4 states have call predecessors, (87), 4 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-28 03:56:48,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2622 transitions. [2024-11-28 03:56:48,656 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2622 transitions. Word has length 60 [2024-11-28 03:56:48,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:48,656 INFO L471 AbstractCegarLoop]: Abstraction has 1744 states and 2622 transitions. [2024-11-28 03:56:48,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-28 03:56:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2622 transitions. [2024-11-28 03:56:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 03:56:48,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:48,657 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:48,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-28 03:56:48,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:48,861 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:56:48,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:48,861 INFO L85 PathProgramCache]: Analyzing trace with hash -212056600, now seen corresponding path program 1 times [2024-11-28 03:56:48,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:48,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13395095] [2024-11-28 03:56:48,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:48,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:56:48,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160245119] [2024-11-28 03:56:48,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:48,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:56:48,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:48,880 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:56:48,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-28 03:56:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:48,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:56:48,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:49,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:56:54,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:54,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13395095] [2024-11-28 03:56:54,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:56:54,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160245119] [2024-11-28 03:56:54,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160245119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:54,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:56:54,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-28 03:56:54,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939339320] [2024-11-28 03:56:54,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:54,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:56:54,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:54,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:56:54,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=183, Unknown=2, NotChecked=0, Total=240 [2024-11-28 03:56:54,566 INFO L87 Difference]: Start difference. First operand 1744 states and 2622 transitions. Second operand has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-28 03:56:58,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:02,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:07,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:11,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:15,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:19,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:23,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:27,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:31,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:35,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:39,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:44,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:48,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:52,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:57:56,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:00,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:04,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:08,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:12,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:17,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:21,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:25,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:29,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:33,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:37,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:41,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:45,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:49,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:53,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:58:57,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:59:01,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:59:07,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 03:59:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:07,818 INFO L93 Difference]: Finished difference Result 2976 states and 4409 transitions. [2024-11-28 03:59:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 03:59:07,819 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 61 [2024-11-28 03:59:07,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:07,829 INFO L225 Difference]: With dead ends: 2976 [2024-11-28 03:59:07,829 INFO L226 Difference]: Without dead ends: 2971 [2024-11-28 03:59:07,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=218, Invalid=592, Unknown=2, NotChecked=0, Total=812 [2024-11-28 03:59:07,831 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 2057 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 119 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:07,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 1942 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1325 Invalid, 32 Unknown, 0 Unchecked, 132.6s Time] [2024-11-28 03:59:07,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2024-11-28 03:59:08,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2083. [2024-11-28 03:59:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1927 states have (on average 1.5220550077841204) internal successors, (2933), 1979 states have internal predecessors, (2933), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-28 03:59:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 3131 transitions. [2024-11-28 03:59:08,040 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 3131 transitions. Word has length 61 [2024-11-28 03:59:08,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:08,040 INFO L471 AbstractCegarLoop]: Abstraction has 2083 states and 3131 transitions. [2024-11-28 03:59:08,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-28 03:59:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 3131 transitions. [2024-11-28 03:59:08,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 03:59:08,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:08,041 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:08,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-28 03:59:08,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:08,242 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:08,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:08,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2016180102, now seen corresponding path program 1 times [2024-11-28 03:59:08,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:08,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812296965] [2024-11-28 03:59:08,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:08,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:08,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1475711542] [2024-11-28 03:59:08,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:08,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:08,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:08,260 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:08,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-28 03:59:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:08,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:59:08,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:59:08,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:08,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:08,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812296965] [2024-11-28 03:59:08,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:08,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475711542] [2024-11-28 03:59:08,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475711542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:08,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:59:08,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 03:59:08,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125016429] [2024-11-28 03:59:08,882 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:08,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:59:08,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:08,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:59:08,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:59:08,883 INFO L87 Difference]: Start difference. First operand 2083 states and 3131 transitions. Second operand has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:59:09,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:09,609 INFO L93 Difference]: Finished difference Result 2214 states and 3270 transitions. [2024-11-28 03:59:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:59:09,610 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 62 [2024-11-28 03:59:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:09,617 INFO L225 Difference]: With dead ends: 2214 [2024-11-28 03:59:09,617 INFO L226 Difference]: Without dead ends: 2213 [2024-11-28 03:59:09,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:59:09,619 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 651 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:09,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 934 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:59:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2024-11-28 03:59:09,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2083. [2024-11-28 03:59:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1927 states have (on average 1.5179034769071096) internal successors, (2925), 1979 states have internal predecessors, (2925), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-28 03:59:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 3123 transitions. [2024-11-28 03:59:09,833 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 3123 transitions. Word has length 62 [2024-11-28 03:59:09,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:09,833 INFO L471 AbstractCegarLoop]: Abstraction has 2083 states and 3123 transitions. [2024-11-28 03:59:09,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:59:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 3123 transitions. [2024-11-28 03:59:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 03:59:09,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:09,834 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:09,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-28 03:59:10,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:10,034 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:10,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:10,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1922926166, now seen corresponding path program 1 times [2024-11-28 03:59:10,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:10,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042547332] [2024-11-28 03:59:10,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:10,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:10,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354800027] [2024-11-28 03:59:10,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:10,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:10,050 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:10,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-28 03:59:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:10,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:59:10,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:59:10,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:10,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:10,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042547332] [2024-11-28 03:59:10,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:10,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354800027] [2024-11-28 03:59:10,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354800027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:10,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:59:10,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 03:59:10,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571326952] [2024-11-28 03:59:10,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:10,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:59:10,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:10,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:59:10,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:59:10,634 INFO L87 Difference]: Start difference. First operand 2083 states and 3123 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:59:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:11,368 INFO L93 Difference]: Finished difference Result 2159 states and 3175 transitions. [2024-11-28 03:59:11,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:59:11,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 63 [2024-11-28 03:59:11,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:11,375 INFO L225 Difference]: With dead ends: 2159 [2024-11-28 03:59:11,375 INFO L226 Difference]: Without dead ends: 2158 [2024-11-28 03:59:11,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:59:11,376 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 434 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:11,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 541 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:59:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2024-11-28 03:59:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2083. [2024-11-28 03:59:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1927 states have (on average 1.5153087701089776) internal successors, (2920), 1979 states have internal predecessors, (2920), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-28 03:59:11,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 3118 transitions. [2024-11-28 03:59:11,575 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 3118 transitions. Word has length 63 [2024-11-28 03:59:11,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:11,575 INFO L471 AbstractCegarLoop]: Abstraction has 2083 states and 3118 transitions. [2024-11-28 03:59:11,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:59:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 3118 transitions. [2024-11-28 03:59:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 03:59:11,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:11,576 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:11,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-28 03:59:11,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-28 03:59:11,780 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:11,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1688896958, now seen corresponding path program 1 times [2024-11-28 03:59:11,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:11,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776817974] [2024-11-28 03:59:11,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:11,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:11,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:11,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776817974] [2024-11-28 03:59:11,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776817974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:11,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:11,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:59:11,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118696995] [2024-11-28 03:59:11,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:11,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:59:11,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:11,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:59:11,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:59:11,884 INFO L87 Difference]: Start difference. First operand 2083 states and 3118 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:12,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:12,621 INFO L93 Difference]: Finished difference Result 2108 states and 3130 transitions. [2024-11-28 03:59:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:59:12,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2024-11-28 03:59:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:12,628 INFO L225 Difference]: With dead ends: 2108 [2024-11-28 03:59:12,629 INFO L226 Difference]: Without dead ends: 2106 [2024-11-28 03:59:12,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:59:12,630 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 272 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:12,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 312 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:59:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2024-11-28 03:59:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2084. [2024-11-28 03:59:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1928 states have (on average 1.512448132780083) internal successors, (2916), 1980 states have internal predecessors, (2916), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-28 03:59:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3114 transitions. [2024-11-28 03:59:12,833 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3114 transitions. Word has length 66 [2024-11-28 03:59:12,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:12,833 INFO L471 AbstractCegarLoop]: Abstraction has 2084 states and 3114 transitions. [2024-11-28 03:59:12,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3114 transitions. [2024-11-28 03:59:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:59:12,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:12,835 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:12,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-28 03:59:12,835 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:12,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:12,835 INFO L85 PathProgramCache]: Analyzing trace with hash -816198015, now seen corresponding path program 1 times [2024-11-28 03:59:12,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:12,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789009573] [2024-11-28 03:59:12,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:12,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:12,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:12,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789009573] [2024-11-28 03:59:12,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789009573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:12,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:12,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:59:12,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171040112] [2024-11-28 03:59:12,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:12,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:59:12,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:12,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:59:12,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:59:12,910 INFO L87 Difference]: Start difference. First operand 2084 states and 3114 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:13,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:13,576 INFO L93 Difference]: Finished difference Result 2108 states and 3124 transitions. [2024-11-28 03:59:13,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:59:13,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2024-11-28 03:59:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:13,588 INFO L225 Difference]: With dead ends: 2108 [2024-11-28 03:59:13,589 INFO L226 Difference]: Without dead ends: 2106 [2024-11-28 03:59:13,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:59:13,590 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 267 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:13,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 316 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:59:13,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2024-11-28 03:59:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2085. [2024-11-28 03:59:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1929 states have (on average 1.5095904613789528) internal successors, (2912), 1981 states have internal predecessors, (2912), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-28 03:59:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 3110 transitions. [2024-11-28 03:59:13,722 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 3110 transitions. Word has length 67 [2024-11-28 03:59:13,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:13,723 INFO L471 AbstractCegarLoop]: Abstraction has 2085 states and 3110 transitions. [2024-11-28 03:59:13,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 3110 transitions. [2024-11-28 03:59:13,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 03:59:13,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:13,724 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:13,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-28 03:59:13,724 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:13,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:13,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1612727056, now seen corresponding path program 1 times [2024-11-28 03:59:13,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:13,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440816437] [2024-11-28 03:59:13,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:13,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:13,778 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:13,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:13,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440816437] [2024-11-28 03:59:13,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440816437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:13,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:13,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:59:13,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835335996] [2024-11-28 03:59:13,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:13,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:59:13,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:13,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:59:13,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:59:13,780 INFO L87 Difference]: Start difference. First operand 2085 states and 3110 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:14,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:14,081 INFO L93 Difference]: Finished difference Result 2285 states and 3430 transitions. [2024-11-28 03:59:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:59:14,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 69 [2024-11-28 03:59:14,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:14,089 INFO L225 Difference]: With dead ends: 2285 [2024-11-28 03:59:14,090 INFO L226 Difference]: Without dead ends: 2284 [2024-11-28 03:59:14,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:59:14,091 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 25 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:14,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 245 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:59:14,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2024-11-28 03:59:14,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 2241. [2024-11-28 03:59:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 2065 states have (on average 1.5041162227602907) internal successors, (3106), 2117 states have internal predecessors, (3106), 119 states have call successors, (119), 4 states have call predecessors, (119), 4 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-28 03:59:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3344 transitions. [2024-11-28 03:59:14,328 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3344 transitions. Word has length 69 [2024-11-28 03:59:14,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:14,329 INFO L471 AbstractCegarLoop]: Abstraction has 2241 states and 3344 transitions. [2024-11-28 03:59:14,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3344 transitions. [2024-11-28 03:59:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 03:59:14,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:14,331 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:14,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-28 03:59:14,331 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:14,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:14,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1545068665, now seen corresponding path program 1 times [2024-11-28 03:59:14,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:14,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748682272] [2024-11-28 03:59:14,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:14,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:14,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748682272] [2024-11-28 03:59:14,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748682272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:14,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:14,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:59:14,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442750118] [2024-11-28 03:59:14,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:14,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:59:14,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:14,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:59:14,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:59:14,441 INFO L87 Difference]: Start difference. First operand 2241 states and 3344 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:15,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:15,056 INFO L93 Difference]: Finished difference Result 2370 states and 3485 transitions. [2024-11-28 03:59:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:59:15,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2024-11-28 03:59:15,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:15,063 INFO L225 Difference]: With dead ends: 2370 [2024-11-28 03:59:15,063 INFO L226 Difference]: Without dead ends: 2369 [2024-11-28 03:59:15,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:59:15,064 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 320 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:15,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 445 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:59:15,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2024-11-28 03:59:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2330. [2024-11-28 03:59:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2146 states have (on average 1.5) internal successors, (3219), 2198 states have internal predecessors, (3219), 127 states have call successors, (127), 4 states have call predecessors, (127), 4 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-28 03:59:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3473 transitions. [2024-11-28 03:59:15,247 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3473 transitions. Word has length 70 [2024-11-28 03:59:15,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:15,247 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 3473 transitions. [2024-11-28 03:59:15,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3473 transitions. [2024-11-28 03:59:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 03:59:15,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:15,248 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:15,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-28 03:59:15,248 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:15,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:15,248 INFO L85 PathProgramCache]: Analyzing trace with hash -652488206, now seen corresponding path program 1 times [2024-11-28 03:59:15,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:15,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908379166] [2024-11-28 03:59:15,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:15,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:15,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:15,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908379166] [2024-11-28 03:59:15,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908379166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:15,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:15,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:59:15,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910812490] [2024-11-28 03:59:15,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:15,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:59:15,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:15,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:59:15,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:59:15,311 INFO L87 Difference]: Start difference. First operand 2330 states and 3473 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:15,803 INFO L93 Difference]: Finished difference Result 2425 states and 3585 transitions. [2024-11-28 03:59:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:59:15,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2024-11-28 03:59:15,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:15,811 INFO L225 Difference]: With dead ends: 2425 [2024-11-28 03:59:15,811 INFO L226 Difference]: Without dead ends: 2421 [2024-11-28 03:59:15,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:59:15,813 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 85 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:15,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 350 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:59:15,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2024-11-28 03:59:16,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 2330. [2024-11-28 03:59:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2146 states have (on average 1.4822926374650514) internal successors, (3181), 2198 states have internal predecessors, (3181), 127 states have call successors, (127), 4 states have call predecessors, (127), 4 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-28 03:59:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3435 transitions. [2024-11-28 03:59:16,051 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3435 transitions. Word has length 71 [2024-11-28 03:59:16,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:16,052 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 3435 transitions. [2024-11-28 03:59:16,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3435 transitions. [2024-11-28 03:59:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 03:59:16,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:16,053 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:16,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-28 03:59:16,053 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:16,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:16,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1986605440, now seen corresponding path program 1 times [2024-11-28 03:59:16,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:16,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714937521] [2024-11-28 03:59:16,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:16,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:16,280 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 03:59:16,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:16,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714937521] [2024-11-28 03:59:16,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714937521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:16,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605531493] [2024-11-28 03:59:16,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:16,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:16,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:16,283 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:16,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-28 03:59:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:16,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:59:16,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:59:16,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:59:16,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605531493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:16,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:59:16,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-28 03:59:16,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427938044] [2024-11-28 03:59:16,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:16,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:59:16,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:16,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:59:16,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:59:16,544 INFO L87 Difference]: Start difference. First operand 2330 states and 3435 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:59:17,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:17,263 INFO L93 Difference]: Finished difference Result 2398 states and 3455 transitions. [2024-11-28 03:59:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:59:17,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 71 [2024-11-28 03:59:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:17,269 INFO L225 Difference]: With dead ends: 2398 [2024-11-28 03:59:17,269 INFO L226 Difference]: Without dead ends: 2397 [2024-11-28 03:59:17,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:59:17,271 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 537 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:17,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 621 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:59:17,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-11-28 03:59:17,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2330. [2024-11-28 03:59:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2146 states have (on average 1.4808946877912395) internal successors, (3178), 2198 states have internal predecessors, (3178), 127 states have call successors, (127), 4 states have call predecessors, (127), 4 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-28 03:59:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3432 transitions. [2024-11-28 03:59:17,516 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3432 transitions. Word has length 71 [2024-11-28 03:59:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:17,516 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 3432 transitions. [2024-11-28 03:59:17,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:59:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3432 transitions. [2024-11-28 03:59:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 03:59:17,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:17,517 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:17,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-28 03:59:17,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-28 03:59:17,718 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:17,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:17,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1455226617, now seen corresponding path program 1 times [2024-11-28 03:59:17,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:17,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392021811] [2024-11-28 03:59:17,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:17,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:17,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058597436] [2024-11-28 03:59:17,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:17,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:17,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:17,742 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:17,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-28 03:59:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:17,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:59:17,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:59:18,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:18,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:18,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392021811] [2024-11-28 03:59:18,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:18,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058597436] [2024-11-28 03:59:18,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058597436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:18,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:59:18,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:59:18,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586118721] [2024-11-28 03:59:18,066 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:18,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:59:18,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:18,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:59:18,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:59:18,067 INFO L87 Difference]: Start difference. First operand 2330 states and 3432 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:59:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:18,896 INFO L93 Difference]: Finished difference Result 2937 states and 4294 transitions. [2024-11-28 03:59:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:59:18,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 72 [2024-11-28 03:59:18,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:18,904 INFO L225 Difference]: With dead ends: 2937 [2024-11-28 03:59:18,904 INFO L226 Difference]: Without dead ends: 2936 [2024-11-28 03:59:18,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:59:18,906 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 491 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:18,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 474 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:59:18,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2024-11-28 03:59:19,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2544. [2024-11-28 03:59:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2344 states have (on average 1.4850682593856654) internal successors, (3481), 2396 states have internal predecessors, (3481), 143 states have call successors, (143), 4 states have call predecessors, (143), 4 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-28 03:59:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3767 transitions. [2024-11-28 03:59:19,223 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3767 transitions. Word has length 72 [2024-11-28 03:59:19,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:19,223 INFO L471 AbstractCegarLoop]: Abstraction has 2544 states and 3767 transitions. [2024-11-28 03:59:19,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:59:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3767 transitions. [2024-11-28 03:59:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 03:59:19,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:19,225 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:19,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-28 03:59:19,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:19,426 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:19,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:19,427 INFO L85 PathProgramCache]: Analyzing trace with hash 403425251, now seen corresponding path program 1 times [2024-11-28 03:59:19,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:19,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866825284] [2024-11-28 03:59:19,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:19,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:19,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:19,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866825284] [2024-11-28 03:59:19,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866825284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:19,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383293179] [2024-11-28 03:59:19,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:19,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:19,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:19,576 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:19,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-28 03:59:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:19,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:59:19,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:19,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:20,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383293179] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:59:20,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:59:20,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2024-11-28 03:59:20,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025498940] [2024-11-28 03:59:20,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:20,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:59:20,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:20,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:59:20,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:59:20,008 INFO L87 Difference]: Start difference. First operand 2544 states and 3767 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-28 03:59:20,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:20,566 INFO L93 Difference]: Finished difference Result 4795 states and 7090 transitions. [2024-11-28 03:59:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 03:59:20,566 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 77 [2024-11-28 03:59:20,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:20,571 INFO L225 Difference]: With dead ends: 4795 [2024-11-28 03:59:20,571 INFO L226 Difference]: Without dead ends: 2677 [2024-11-28 03:59:20,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=992, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 03:59:20,576 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 240 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:20,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1353 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:59:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2677 states. [2024-11-28 03:59:20,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2677 to 2619. [2024-11-28 03:59:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 2407 states have (on average 1.47528043207312) internal successors, (3551), 2459 states have internal predecessors, (3551), 151 states have call successors, (151), 8 states have call predecessors, (151), 8 states have return successors, (151), 151 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-28 03:59:20,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3853 transitions. [2024-11-28 03:59:20,798 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3853 transitions. Word has length 77 [2024-11-28 03:59:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:20,799 INFO L471 AbstractCegarLoop]: Abstraction has 2619 states and 3853 transitions. [2024-11-28 03:59:20,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-28 03:59:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3853 transitions. [2024-11-28 03:59:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 03:59:20,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:20,800 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:20,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-28 03:59:21,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:21,004 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:21,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:21,005 INFO L85 PathProgramCache]: Analyzing trace with hash -494337550, now seen corresponding path program 1 times [2024-11-28 03:59:21,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:21,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811093179] [2024-11-28 03:59:21,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:21,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:21,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33603741] [2024-11-28 03:59:21,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:21,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:21,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:21,038 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:21,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-28 03:59:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:21,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:59:21,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:59:21,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:59:21,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:21,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811093179] [2024-11-28 03:59:21,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:21,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33603741] [2024-11-28 03:59:21,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33603741] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:59:21,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:59:21,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 03:59:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063672028] [2024-11-28 03:59:21,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:21,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:59:21,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:21,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:59:21,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:59:21,585 INFO L87 Difference]: Start difference. First operand 2619 states and 3853 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:59:23,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:23,884 INFO L93 Difference]: Finished difference Result 3886 states and 5629 transitions. [2024-11-28 03:59:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 03:59:23,884 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 78 [2024-11-28 03:59:23,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:23,890 INFO L225 Difference]: With dead ends: 3886 [2024-11-28 03:59:23,890 INFO L226 Difference]: Without dead ends: 3883 [2024-11-28 03:59:23,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=364, Invalid=1042, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 03:59:23,893 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 1228 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:23,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 1081 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:59:23,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2024-11-28 03:59:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 2766. [2024-11-28 03:59:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2536 states have (on average 1.4751577287066246) internal successors, (3741), 2588 states have internal predecessors, (3741), 169 states have call successors, (169), 8 states have call predecessors, (169), 8 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-28 03:59:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 4079 transitions. [2024-11-28 03:59:24,134 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 4079 transitions. Word has length 78 [2024-11-28 03:59:24,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:24,134 INFO L471 AbstractCegarLoop]: Abstraction has 2766 states and 4079 transitions. [2024-11-28 03:59:24,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:59:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 4079 transitions. [2024-11-28 03:59:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 03:59:24,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:24,135 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:24,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-28 03:59:24,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:24,336 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:24,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:24,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1855405260, now seen corresponding path program 1 times [2024-11-28 03:59:24,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:24,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45911479] [2024-11-28 03:59:24,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:24,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:24,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327441898] [2024-11-28 03:59:24,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:24,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:24,359 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:24,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-28 03:59:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:24,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:59:24,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:59:24,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:59:25,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:25,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45911479] [2024-11-28 03:59:25,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:25,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327441898] [2024-11-28 03:59:25,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327441898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:59:25,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:59:25,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 03:59:25,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371847534] [2024-11-28 03:59:25,134 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:25,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:59:25,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:25,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:59:25,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:59:25,135 INFO L87 Difference]: Start difference. First operand 2766 states and 4079 transitions. Second operand has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:59:27,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:27,524 INFO L93 Difference]: Finished difference Result 4614 states and 6659 transitions. [2024-11-28 03:59:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-28 03:59:27,525 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 79 [2024-11-28 03:59:27,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:27,534 INFO L225 Difference]: With dead ends: 4614 [2024-11-28 03:59:27,534 INFO L226 Difference]: Without dead ends: 4611 [2024-11-28 03:59:27,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=728, Invalid=2242, Unknown=0, NotChecked=0, Total=2970 [2024-11-28 03:59:27,537 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 2813 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2813 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:27,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 660 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:59:27,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4611 states. [2024-11-28 03:59:27,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4611 to 2946. [2024-11-28 03:59:27,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2695 states have (on average 1.4667903525046382) internal successors, (3953), 2747 states have internal predecessors, (3953), 190 states have call successors, (190), 8 states have call predecessors, (190), 8 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:59:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4333 transitions. [2024-11-28 03:59:27,831 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4333 transitions. Word has length 79 [2024-11-28 03:59:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:27,831 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4333 transitions. [2024-11-28 03:59:27,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:59:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4333 transitions. [2024-11-28 03:59:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 03:59:27,832 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:27,832 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:27,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-28 03:59:28,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:28,032 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:28,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:28,033 INFO L85 PathProgramCache]: Analyzing trace with hash 728906751, now seen corresponding path program 1 times [2024-11-28 03:59:28,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:28,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374924913] [2024-11-28 03:59:28,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:28,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:28,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662087112] [2024-11-28 03:59:28,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:28,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:28,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:28,047 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:28,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-28 03:59:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:28,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:59:28,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:28,331 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:28,331 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:59:28,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:28,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374924913] [2024-11-28 03:59:28,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:28,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662087112] [2024-11-28 03:59:28,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662087112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:28,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:28,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:59:28,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694666964] [2024-11-28 03:59:28,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:28,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:59:28,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:28,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:59:28,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:59:28,332 INFO L87 Difference]: Start difference. First operand 2946 states and 4333 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:28,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:28,747 INFO L93 Difference]: Finished difference Result 2983 states and 4348 transitions. [2024-11-28 03:59:28,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:59:28,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 83 [2024-11-28 03:59:28,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:28,752 INFO L225 Difference]: With dead ends: 2983 [2024-11-28 03:59:28,753 INFO L226 Difference]: Without dead ends: 2980 [2024-11-28 03:59:28,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:59:28,754 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 114 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:28,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 343 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:59:28,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2024-11-28 03:59:29,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2946. [2024-11-28 03:59:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2695 states have (on average 1.4619666048237476) internal successors, (3940), 2747 states have internal predecessors, (3940), 190 states have call successors, (190), 8 states have call predecessors, (190), 8 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:59:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4320 transitions. [2024-11-28 03:59:29,024 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4320 transitions. Word has length 83 [2024-11-28 03:59:29,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:29,024 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4320 transitions. [2024-11-28 03:59:29,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4320 transitions. [2024-11-28 03:59:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 03:59:29,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:29,025 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:29,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-28 03:59:29,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:29,226 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:29,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:29,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1121272972, now seen corresponding path program 1 times [2024-11-28 03:59:29,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:29,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248159284] [2024-11-28 03:59:29,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:29,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:29,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118857813] [2024-11-28 03:59:29,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:29,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:29,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:29,242 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:29,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-28 03:59:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:29,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:59:29,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:29,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:29,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:29,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248159284] [2024-11-28 03:59:29,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:29,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118857813] [2024-11-28 03:59:29,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118857813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:29,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:59:29,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:59:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319345142] [2024-11-28 03:59:29,961 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:29,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:59:29,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:29,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:59:29,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:59:29,962 INFO L87 Difference]: Start difference. First operand 2946 states and 4320 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:30,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:30,469 INFO L93 Difference]: Finished difference Result 3070 states and 4445 transitions. [2024-11-28 03:59:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:59:30,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 84 [2024-11-28 03:59:30,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:30,473 INFO L225 Difference]: With dead ends: 3070 [2024-11-28 03:59:30,473 INFO L226 Difference]: Without dead ends: 3069 [2024-11-28 03:59:30,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:59:30,474 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 309 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:30,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 465 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:59:30,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2024-11-28 03:59:30,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2953. [2024-11-28 03:59:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2702 states have (on average 1.4607698001480385) internal successors, (3947), 2754 states have internal predecessors, (3947), 190 states have call successors, (190), 8 states have call predecessors, (190), 8 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:59:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 4327 transitions. [2024-11-28 03:59:30,674 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 4327 transitions. Word has length 84 [2024-11-28 03:59:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:30,674 INFO L471 AbstractCegarLoop]: Abstraction has 2953 states and 4327 transitions. [2024-11-28 03:59:30,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 4327 transitions. [2024-11-28 03:59:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 03:59:30,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:30,675 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:30,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-28 03:59:30,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-28 03:59:30,875 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:30,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:30,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1473378554, now seen corresponding path program 1 times [2024-11-28 03:59:30,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:30,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625584938] [2024-11-28 03:59:30,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:30,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:30,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625584938] [2024-11-28 03:59:30,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625584938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:30,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422115024] [2024-11-28 03:59:30,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:30,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:30,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:30,978 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:30,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-28 03:59:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:31,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:59:31,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:31,161 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:31,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:31,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422115024] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:59:31,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:59:31,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-28 03:59:31,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073095717] [2024-11-28 03:59:31,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:31,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:59:31,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:31,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:59:31,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:59:31,331 INFO L87 Difference]: Start difference. First operand 2953 states and 4327 transitions. Second operand has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 12 states have internal predecessors, (115), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:59:33,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:33,610 INFO L93 Difference]: Finished difference Result 4115 states and 5913 transitions. [2024-11-28 03:59:33,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 03:59:33,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 12 states have internal predecessors, (115), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 85 [2024-11-28 03:59:33,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:33,616 INFO L225 Difference]: With dead ends: 4115 [2024-11-28 03:59:33,616 INFO L226 Difference]: Without dead ends: 4113 [2024-11-28 03:59:33,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1112, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 03:59:33,618 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 1199 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:33,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 1394 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:59:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4113 states. [2024-11-28 03:59:33,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4113 to 2964. [2024-11-28 03:59:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2708 states have (on average 1.4449778434268834) internal successors, (3913), 2759 states have internal predecessors, (3913), 196 states have call successors, (196), 8 states have call predecessors, (196), 8 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 03:59:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 4305 transitions. [2024-11-28 03:59:33,858 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 4305 transitions. Word has length 85 [2024-11-28 03:59:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:33,858 INFO L471 AbstractCegarLoop]: Abstraction has 2964 states and 4305 transitions. [2024-11-28 03:59:33,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 12 states have internal predecessors, (115), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:59:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 4305 transitions. [2024-11-28 03:59:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 03:59:33,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:33,859 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:33,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-28 03:59:34,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-28 03:59:34,060 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:34,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:34,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1569905213, now seen corresponding path program 1 times [2024-11-28 03:59:34,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:34,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884496085] [2024-11-28 03:59:34,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:34,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:34,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884496085] [2024-11-28 03:59:34,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884496085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:34,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:34,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:59:34,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458369070] [2024-11-28 03:59:34,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:34,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:59:34,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:34,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:59:34,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:59:34,150 INFO L87 Difference]: Start difference. First operand 2964 states and 4305 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:35,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:35,089 INFO L93 Difference]: Finished difference Result 3685 states and 5317 transitions. [2024-11-28 03:59:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:59:35,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 86 [2024-11-28 03:59:35,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:35,093 INFO L225 Difference]: With dead ends: 3685 [2024-11-28 03:59:35,093 INFO L226 Difference]: Without dead ends: 3683 [2024-11-28 03:59:35,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:59:35,094 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 415 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:35,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 619 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:59:35,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3683 states. [2024-11-28 03:59:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3683 to 3575. [2024-11-28 03:59:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 3273 states have (on average 1.4534066605560647) internal successors, (4757), 3324 states have internal predecessors, (4757), 242 states have call successors, (242), 8 states have call predecessors, (242), 8 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2024-11-28 03:59:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 5241 transitions. [2024-11-28 03:59:35,359 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 5241 transitions. Word has length 86 [2024-11-28 03:59:35,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:35,359 INFO L471 AbstractCegarLoop]: Abstraction has 3575 states and 5241 transitions. [2024-11-28 03:59:35,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 5241 transitions. [2024-11-28 03:59:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 03:59:35,360 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:35,360 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:35,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-28 03:59:35,360 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:35,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:35,361 INFO L85 PathProgramCache]: Analyzing trace with hash -493459666, now seen corresponding path program 1 times [2024-11-28 03:59:35,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:35,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907666595] [2024-11-28 03:59:35,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:35,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:35,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1630048085] [2024-11-28 03:59:35,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:35,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:35,377 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:35,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-28 03:59:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:35,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:59:35,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:35,925 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:35,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:59:35,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:35,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907666595] [2024-11-28 03:59:35,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:35,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630048085] [2024-11-28 03:59:35,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630048085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:35,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:35,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:59:35,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740538761] [2024-11-28 03:59:35,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:35,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:59:35,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:35,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:59:35,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:59:35,927 INFO L87 Difference]: Start difference. First operand 3575 states and 5241 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:36,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:36,530 INFO L93 Difference]: Finished difference Result 3608 states and 5254 transitions. [2024-11-28 03:59:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:59:36,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 86 [2024-11-28 03:59:36,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:36,536 INFO L225 Difference]: With dead ends: 3608 [2024-11-28 03:59:36,536 INFO L226 Difference]: Without dead ends: 3607 [2024-11-28 03:59:36,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:59:36,538 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 100 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:36,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 430 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:59:36,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-11-28 03:59:36,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3575. [2024-11-28 03:59:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 3273 states have (on average 1.4521845401772076) internal successors, (4753), 3324 states have internal predecessors, (4753), 242 states have call successors, (242), 8 states have call predecessors, (242), 8 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2024-11-28 03:59:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 5237 transitions. [2024-11-28 03:59:36,846 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 5237 transitions. Word has length 86 [2024-11-28 03:59:36,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:36,847 INFO L471 AbstractCegarLoop]: Abstraction has 3575 states and 5237 transitions. [2024-11-28 03:59:36,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 5237 transitions. [2024-11-28 03:59:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 03:59:36,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:36,847 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:36,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-28 03:59:37,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-28 03:59:37,048 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:37,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:37,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1147447883, now seen corresponding path program 1 times [2024-11-28 03:59:37,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:37,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44277405] [2024-11-28 03:59:37,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:37,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:37,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:37,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44277405] [2024-11-28 03:59:37,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44277405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:37,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34524448] [2024-11-28 03:59:37,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:37,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:37,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:37,152 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:37,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-28 03:59:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:37,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:59:37,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:37,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:37,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34524448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:59:37,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:59:37,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2024-11-28 03:59:37,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403160013] [2024-11-28 03:59:37,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:37,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:59:37,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:37,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:59:37,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:59:37,662 INFO L87 Difference]: Start difference. First operand 3575 states and 5237 transitions. Second operand has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-28 03:59:40,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:40,933 INFO L93 Difference]: Finished difference Result 6445 states and 9499 transitions. [2024-11-28 03:59:40,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-28 03:59:40,934 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 89 [2024-11-28 03:59:40,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:40,941 INFO L225 Difference]: With dead ends: 6445 [2024-11-28 03:59:40,941 INFO L226 Difference]: Without dead ends: 6442 [2024-11-28 03:59:40,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3005 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1864, Invalid=6326, Unknown=0, NotChecked=0, Total=8190 [2024-11-28 03:59:40,943 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 2639 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2639 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:40,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2639 Valid, 488 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:59:40,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6442 states. [2024-11-28 03:59:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6442 to 4281. [2024-11-28 03:59:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 3930 states have (on average 1.4465648854961832) internal successors, (5685), 3981 states have internal predecessors, (5685), 291 states have call successors, (291), 8 states have call predecessors, (291), 8 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2024-11-28 03:59:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 6267 transitions. [2024-11-28 03:59:41,307 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 6267 transitions. Word has length 89 [2024-11-28 03:59:41,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:41,307 INFO L471 AbstractCegarLoop]: Abstraction has 4281 states and 6267 transitions. [2024-11-28 03:59:41,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-28 03:59:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 6267 transitions. [2024-11-28 03:59:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:59:41,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:41,308 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:41,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-28 03:59:41,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-28 03:59:41,508 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:41,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:41,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1875934365, now seen corresponding path program 1 times [2024-11-28 03:59:41,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:41,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652655195] [2024-11-28 03:59:41,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:41,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:41,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652655195] [2024-11-28 03:59:41,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652655195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207631082] [2024-11-28 03:59:41,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:41,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:41,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:41,684 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:41,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-28 03:59:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:41,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:59:41,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:41,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:42,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207631082] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:59:42,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:59:42,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-28 03:59:42,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167659882] [2024-11-28 03:59:42,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:42,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:59:42,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:42,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:59:42,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:59:42,183 INFO L87 Difference]: Start difference. First operand 4281 states and 6267 transitions. Second operand has 22 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 22 states have internal predecessors, (137), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-28 03:59:42,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:42,890 INFO L93 Difference]: Finished difference Result 7748 states and 11434 transitions. [2024-11-28 03:59:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 03:59:42,890 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 22 states have internal predecessors, (137), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 95 [2024-11-28 03:59:42,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:42,895 INFO L225 Difference]: With dead ends: 7748 [2024-11-28 03:59:42,896 INFO L226 Difference]: Without dead ends: 4410 [2024-11-28 03:59:42,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=356, Invalid=1366, Unknown=0, NotChecked=0, Total=1722 [2024-11-28 03:59:42,900 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 206 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:42,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 1520 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:59:42,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2024-11-28 03:59:43,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 4350. [2024-11-28 03:59:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4350 states, 3994 states have (on average 1.444917376064096) internal successors, (5771), 4045 states have internal predecessors, (5771), 295 states have call successors, (295), 9 states have call predecessors, (295), 9 states have return successors, (295), 295 states have call predecessors, (295), 295 states have call successors, (295) [2024-11-28 03:59:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4350 states to 4350 states and 6361 transitions. [2024-11-28 03:59:43,295 INFO L78 Accepts]: Start accepts. Automaton has 4350 states and 6361 transitions. Word has length 95 [2024-11-28 03:59:43,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:43,295 INFO L471 AbstractCegarLoop]: Abstraction has 4350 states and 6361 transitions. [2024-11-28 03:59:43,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 22 states have internal predecessors, (137), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-28 03:59:43,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4350 states and 6361 transitions. [2024-11-28 03:59:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 03:59:43,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:43,297 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:43,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-28 03:59:43,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:43,501 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:43,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:43,501 INFO L85 PathProgramCache]: Analyzing trace with hash 829097015, now seen corresponding path program 1 times [2024-11-28 03:59:43,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:43,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131375542] [2024-11-28 03:59:43,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:43,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1481651894] [2024-11-28 03:59:43,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:43,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:43,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:43,525 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:43,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-28 03:59:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:43,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:59:43,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 03:59:43,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 03:59:43,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:59:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131375542] [2024-11-28 03:59:43,924 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:59:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481651894] [2024-11-28 03:59:43,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481651894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:59:43,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:59:43,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-28 03:59:43,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807702112] [2024-11-28 03:59:43,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:43,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:59:43,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:59:43,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:59:43,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:59:43,927 INFO L87 Difference]: Start difference. First operand 4350 states and 6361 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:44,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:44,696 INFO L93 Difference]: Finished difference Result 4424 states and 6397 transitions. [2024-11-28 03:59:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:59:44,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 96 [2024-11-28 03:59:44,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:44,705 INFO L225 Difference]: With dead ends: 4424 [2024-11-28 03:59:44,706 INFO L226 Difference]: Without dead ends: 4423 [2024-11-28 03:59:44,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:59:44,708 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 260 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:44,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 614 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:59:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2024-11-28 03:59:45,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4351. [2024-11-28 03:59:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4351 states, 3995 states have (on average 1.4448060075093867) internal successors, (5772), 4046 states have internal predecessors, (5772), 295 states have call successors, (295), 9 states have call predecessors, (295), 9 states have return successors, (295), 295 states have call predecessors, (295), 295 states have call successors, (295) [2024-11-28 03:59:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 4351 states and 6362 transitions. [2024-11-28 03:59:45,102 INFO L78 Accepts]: Start accepts. Automaton has 4351 states and 6362 transitions. Word has length 96 [2024-11-28 03:59:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:45,102 INFO L471 AbstractCegarLoop]: Abstraction has 4351 states and 6362 transitions. [2024-11-28 03:59:45,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 03:59:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 4351 states and 6362 transitions. [2024-11-28 03:59:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 03:59:45,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:45,104 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:45,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-28 03:59:45,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:45,304 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 03:59:45,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:45,305 INFO L85 PathProgramCache]: Analyzing trace with hash -67796121, now seen corresponding path program 1 times [2024-11-28 03:59:45,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:59:45,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440680142] [2024-11-28 03:59:45,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:45,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:59:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:59:45,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35728786] [2024-11-28 03:59:45,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:45,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:59:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:59:45,321 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:59:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-28 03:59:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:45,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:59:45,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 03:59:45,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:07,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:07,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440680142] [2024-11-28 04:00:07,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:00:07,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35728786] [2024-11-28 04:00:07,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35728786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:07,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:00:07,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 04:00:07,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172258343] [2024-11-28 04:00:07,661 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:07,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:00:07,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:07,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:00:07,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=136, Unknown=5, NotChecked=0, Total=182 [2024-11-28 04:00:07,662 INFO L87 Difference]: Start difference. First operand 4351 states and 6362 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:08,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:08,755 INFO L93 Difference]: Finished difference Result 5124 states and 7379 transitions. [2024-11-28 04:00:08,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:00:08,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 97 [2024-11-28 04:00:08,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:08,763 INFO L225 Difference]: With dead ends: 5124 [2024-11-28 04:00:08,764 INFO L226 Difference]: Without dead ends: 5123 [2024-11-28 04:00:08,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=73, Invalid=228, Unknown=5, NotChecked=0, Total=306 [2024-11-28 04:00:08,766 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 439 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:08,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1224 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:00:08,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-28 04:00:09,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 4624. [2024-11-28 04:00:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4624 states, 4246 states have (on average 1.4368817710786623) internal successors, (6101), 4297 states have internal predecessors, (6101), 317 states have call successors, (317), 9 states have call predecessors, (317), 9 states have return successors, (317), 317 states have call predecessors, (317), 317 states have call successors, (317) [2024-11-28 04:00:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4624 states and 6735 transitions. [2024-11-28 04:00:09,225 INFO L78 Accepts]: Start accepts. Automaton has 4624 states and 6735 transitions. Word has length 97 [2024-11-28 04:00:09,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:09,226 INFO L471 AbstractCegarLoop]: Abstraction has 4624 states and 6735 transitions. [2024-11-28 04:00:09,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4624 states and 6735 transitions. [2024-11-28 04:00:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:00:09,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:09,227 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:09,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-28 04:00:09,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:09,431 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:09,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:09,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1425028489, now seen corresponding path program 1 times [2024-11-28 04:00:09,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:09,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681719107] [2024-11-28 04:00:09,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:09,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:00:09,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540328409] [2024-11-28 04:00:09,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:09,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:09,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:09,450 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:09,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-28 04:00:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:09,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:00:09,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 04:00:10,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:10,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:10,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681719107] [2024-11-28 04:00:10,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:00:10,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540328409] [2024-11-28 04:00:10,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540328409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:10,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:00:10,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 04:00:10,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170223341] [2024-11-28 04:00:10,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:10,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:00:10,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:10,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:00:10,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:00:10,352 INFO L87 Difference]: Start difference. First operand 4624 states and 6735 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:00:12,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:12,096 INFO L93 Difference]: Finished difference Result 5125 states and 7426 transitions. [2024-11-28 04:00:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:00:12,096 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 98 [2024-11-28 04:00:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:12,102 INFO L225 Difference]: With dead ends: 5125 [2024-11-28 04:00:12,102 INFO L226 Difference]: Without dead ends: 5122 [2024-11-28 04:00:12,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=558, Unknown=0, NotChecked=0, Total=702 [2024-11-28 04:00:12,104 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 736 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:12,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 1322 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:00:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2024-11-28 04:00:12,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 4997. [2024-11-28 04:00:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4997 states, 4585 states have (on average 1.426608505997819) internal successors, (6541), 4636 states have internal predecessors, (6541), 351 states have call successors, (351), 9 states have call predecessors, (351), 9 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2024-11-28 04:00:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 7243 transitions. [2024-11-28 04:00:12,629 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 7243 transitions. Word has length 98 [2024-11-28 04:00:12,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:12,629 INFO L471 AbstractCegarLoop]: Abstraction has 4997 states and 7243 transitions. [2024-11-28 04:00:12,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:00:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 7243 transitions. [2024-11-28 04:00:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:00:12,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:12,631 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:12,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-28 04:00:12,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-11-28 04:00:12,832 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:12,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:12,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1226210036, now seen corresponding path program 1 times [2024-11-28 04:00:12,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:12,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837076332] [2024-11-28 04:00:12,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:12,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:00:12,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897650096] [2024-11-28 04:00:12,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:12,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:12,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:12,863 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:12,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-28 04:00:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:12,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:00:12,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 04:00:13,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:13,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:13,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837076332] [2024-11-28 04:00:13,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:00:13,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897650096] [2024-11-28 04:00:13,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897650096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:13,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:00:13,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 04:00:13,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822414161] [2024-11-28 04:00:13,814 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:13,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:00:13,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:13,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:00:13,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:00:13,815 INFO L87 Difference]: Start difference. First operand 4997 states and 7243 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:00:15,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:15,515 INFO L93 Difference]: Finished difference Result 5350 states and 7695 transitions. [2024-11-28 04:00:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:00:15,516 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 99 [2024-11-28 04:00:15,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:15,521 INFO L225 Difference]: With dead ends: 5350 [2024-11-28 04:00:15,521 INFO L226 Difference]: Without dead ends: 5349 [2024-11-28 04:00:15,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:00:15,523 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 735 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:15,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 1007 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:00:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2024-11-28 04:00:16,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5001. [2024-11-28 04:00:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5001 states, 4589 states have (on average 1.425800828067117) internal successors, (6543), 4640 states have internal predecessors, (6543), 351 states have call successors, (351), 9 states have call predecessors, (351), 9 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2024-11-28 04:00:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 7245 transitions. [2024-11-28 04:00:16,365 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 7245 transitions. Word has length 99 [2024-11-28 04:00:16,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:16,365 INFO L471 AbstractCegarLoop]: Abstraction has 5001 states and 7245 transitions. [2024-11-28 04:00:16,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:00:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 7245 transitions. [2024-11-28 04:00:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:00:16,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:16,367 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:16,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-28 04:00:16,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-11-28 04:00:16,571 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:16,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:16,572 INFO L85 PathProgramCache]: Analyzing trace with hash 642194713, now seen corresponding path program 1 times [2024-11-28 04:00:16,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:16,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179181216] [2024-11-28 04:00:16,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:00:16,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:16,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179181216] [2024-11-28 04:00:16,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179181216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:16,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154694951] [2024-11-28 04:00:16,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:16,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:16,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:16,903 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:16,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-28 04:00:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:16,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:00:16,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:00:17,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:17,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154694951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:17,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:00:17,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 04:00:17,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198457728] [2024-11-28 04:00:17,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:17,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:00:17,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:17,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:00:17,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:00:17,530 INFO L87 Difference]: Start difference. First operand 5001 states and 7245 transitions. Second operand has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:00:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:18,876 INFO L93 Difference]: Finished difference Result 6135 states and 8941 transitions. [2024-11-28 04:00:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:00:18,876 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 100 [2024-11-28 04:00:18,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:18,900 INFO L225 Difference]: With dead ends: 6135 [2024-11-28 04:00:18,900 INFO L226 Difference]: Without dead ends: 6134 [2024-11-28 04:00:18,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:00:18,906 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 369 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:18,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 910 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:00:18,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6134 states. [2024-11-28 04:00:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6134 to 5987. [2024-11-28 04:00:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5519 states have (on average 1.4415655009965573) internal successors, (7956), 5570 states have internal predecessors, (7956), 407 states have call successors, (407), 9 states have call predecessors, (407), 9 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-28 04:00:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8770 transitions. [2024-11-28 04:00:19,911 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8770 transitions. Word has length 100 [2024-11-28 04:00:19,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:19,911 INFO L471 AbstractCegarLoop]: Abstraction has 5987 states and 8770 transitions. [2024-11-28 04:00:19,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:00:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8770 transitions. [2024-11-28 04:00:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:00:19,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:19,912 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:19,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-11-28 04:00:20,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-11-28 04:00:20,113 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:20,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:20,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1079420869, now seen corresponding path program 1 times [2024-11-28 04:00:20,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:20,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825858787] [2024-11-28 04:00:20,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:00:20,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543795313] [2024-11-28 04:00:20,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:20,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:20,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:20,137 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:20,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-28 04:00:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:20,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 04:00:20,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-28 04:00:20,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:21,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:21,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825858787] [2024-11-28 04:00:21,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:00:21,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543795313] [2024-11-28 04:00:21,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543795313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:21,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:00:21,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 04:00:21,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725920977] [2024-11-28 04:00:21,437 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:21,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:00:21,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:21,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:00:21,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:00:21,438 INFO L87 Difference]: Start difference. First operand 5987 states and 8770 transitions. Second operand has 11 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:00:23,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:23,331 INFO L93 Difference]: Finished difference Result 6838 states and 9910 transitions. [2024-11-28 04:00:23,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:00:23,332 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100 [2024-11-28 04:00:23,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:23,339 INFO L225 Difference]: With dead ends: 6838 [2024-11-28 04:00:23,339 INFO L226 Difference]: Without dead ends: 6837 [2024-11-28 04:00:23,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:00:23,340 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 502 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:23,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1136 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:00:23,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6837 states. [2024-11-28 04:00:24,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6837 to 5990. [2024-11-28 04:00:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5522 states have (on average 1.4413256066642521) internal successors, (7959), 5573 states have internal predecessors, (7959), 407 states have call successors, (407), 9 states have call predecessors, (407), 9 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-28 04:00:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 8773 transitions. [2024-11-28 04:00:24,041 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 8773 transitions. Word has length 100 [2024-11-28 04:00:24,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:24,042 INFO L471 AbstractCegarLoop]: Abstraction has 5990 states and 8773 transitions. [2024-11-28 04:00:24,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 04:00:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 8773 transitions. [2024-11-28 04:00:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 04:00:24,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:24,043 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:24,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-28 04:00:24,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-11-28 04:00:24,244 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:24,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:24,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1566800210, now seen corresponding path program 1 times [2024-11-28 04:00:24,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:24,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697290158] [2024-11-28 04:00:24,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:24,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:00:24,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899103111] [2024-11-28 04:00:24,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:24,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:24,266 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:24,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-28 04:00:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:24,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 04:00:24,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:00:24,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:00:29,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:29,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697290158] [2024-11-28 04:00:29,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:00:29,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899103111] [2024-11-28 04:00:29,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899103111] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:00:29,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:00:29,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-28 04:00:29,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367191886] [2024-11-28 04:00:29,339 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:29,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:00:29,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:29,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:00:29,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=182, Unknown=1, NotChecked=0, Total=240 [2024-11-28 04:00:29,341 INFO L87 Difference]: Start difference. First operand 5990 states and 8773 transitions. Second operand has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:00:31,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:31,664 INFO L93 Difference]: Finished difference Result 7271 states and 10551 transitions. [2024-11-28 04:00:31,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:00:31,664 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2024-11-28 04:00:31,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:31,674 INFO L225 Difference]: With dead ends: 7271 [2024-11-28 04:00:31,674 INFO L226 Difference]: Without dead ends: 7267 [2024-11-28 04:00:31,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=119, Invalid=386, Unknown=1, NotChecked=0, Total=506 [2024-11-28 04:00:31,675 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 1017 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:31,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1627 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:00:31,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7267 states. [2024-11-28 04:00:32,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7267 to 6254. [2024-11-28 04:00:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 5760 states have (on average 1.4362847222222221) internal successors, (8273), 5811 states have internal predecessors, (8273), 433 states have call successors, (433), 9 states have call predecessors, (433), 9 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-28 04:00:32,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 9139 transitions. [2024-11-28 04:00:32,530 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 9139 transitions. Word has length 101 [2024-11-28 04:00:32,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:32,530 INFO L471 AbstractCegarLoop]: Abstraction has 6254 states and 9139 transitions. [2024-11-28 04:00:32,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:00:32,530 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 9139 transitions. [2024-11-28 04:00:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 04:00:32,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:32,532 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:32,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-11-28 04:00:32,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:32,733 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:32,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:32,733 INFO L85 PathProgramCache]: Analyzing trace with hash 897691627, now seen corresponding path program 1 times [2024-11-28 04:00:32,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:32,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106894546] [2024-11-28 04:00:32,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:32,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:00:32,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [43616565] [2024-11-28 04:00:32,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:32,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:32,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:32,759 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:32,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-28 04:00:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:32,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:00:32,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:00:33,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:51,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:51,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106894546] [2024-11-28 04:00:51,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:00:51,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43616565] [2024-11-28 04:00:51,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43616565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:51,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:00:51,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 04:00:51,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899432068] [2024-11-28 04:00:51,419 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:51,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:00:51,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:51,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:00:51,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=142, Unknown=4, NotChecked=0, Total=182 [2024-11-28 04:00:51,420 INFO L87 Difference]: Start difference. First operand 6254 states and 9139 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:52,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:52,956 INFO L93 Difference]: Finished difference Result 7216 states and 10430 transitions. [2024-11-28 04:00:52,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:00:52,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 101 [2024-11-28 04:00:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:52,964 INFO L225 Difference]: With dead ends: 7216 [2024-11-28 04:00:52,964 INFO L226 Difference]: Without dead ends: 7215 [2024-11-28 04:00:52,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=64, Invalid=238, Unknown=4, NotChecked=0, Total=306 [2024-11-28 04:00:52,965 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 423 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:52,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1168 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:00:52,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7215 states. [2024-11-28 04:00:53,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7215 to 6255. [2024-11-28 04:00:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 5761 states have (on average 1.4362089914945322) internal successors, (8274), 5812 states have internal predecessors, (8274), 433 states have call successors, (433), 9 states have call predecessors, (433), 9 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-28 04:00:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 9140 transitions. [2024-11-28 04:00:53,592 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 9140 transitions. Word has length 101 [2024-11-28 04:00:53,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:53,592 INFO L471 AbstractCegarLoop]: Abstraction has 6255 states and 9140 transitions. [2024-11-28 04:00:53,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 9140 transitions. [2024-11-28 04:00:53,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 04:00:53,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:53,594 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:53,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2024-11-28 04:00:53,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:53,794 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:53,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:53,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1326166085, now seen corresponding path program 1 times [2024-11-28 04:00:53,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:53,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826238311] [2024-11-28 04:00:53,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:53,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:00:53,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477611418] [2024-11-28 04:00:53,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:53,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:53,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:53,820 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:53,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-28 04:00:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:53,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:00:53,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:00:54,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:00:54,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:54,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826238311] [2024-11-28 04:00:54,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:00:54,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477611418] [2024-11-28 04:00:54,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477611418] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:00:54,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:00:54,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-28 04:00:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112812062] [2024-11-28 04:00:54,262 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:54,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:00:54,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:54,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:00:54,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:00:54,263 INFO L87 Difference]: Start difference. First operand 6255 states and 9140 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:55,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:55,671 INFO L93 Difference]: Finished difference Result 7556 states and 11132 transitions. [2024-11-28 04:00:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:00:55,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 102 [2024-11-28 04:00:55,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:55,680 INFO L225 Difference]: With dead ends: 7556 [2024-11-28 04:00:55,680 INFO L226 Difference]: Without dead ends: 7554 [2024-11-28 04:00:55,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:00:55,682 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 275 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:55,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 759 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:00:55,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7554 states. [2024-11-28 04:00:56,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7554 to 6243. [2024-11-28 04:00:56,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6243 states, 5749 states have (on average 1.43155331361976) internal successors, (8230), 5800 states have internal predecessors, (8230), 433 states have call successors, (433), 9 states have call predecessors, (433), 9 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-28 04:00:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6243 states to 6243 states and 9096 transitions. [2024-11-28 04:00:56,241 INFO L78 Accepts]: Start accepts. Automaton has 6243 states and 9096 transitions. Word has length 102 [2024-11-28 04:00:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:56,241 INFO L471 AbstractCegarLoop]: Abstraction has 6243 states and 9096 transitions. [2024-11-28 04:00:56,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 6243 states and 9096 transitions. [2024-11-28 04:00:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 04:00:56,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:56,243 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:56,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-28 04:00:56,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-28 04:00:56,443 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:56,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:56,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1976997184, now seen corresponding path program 1 times [2024-11-28 04:00:56,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:56,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368514742] [2024-11-28 04:00:56,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:56,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:00:56,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:00:56,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368514742] [2024-11-28 04:00:56,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368514742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:56,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317766534] [2024-11-28 04:00:56,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:56,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:56,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:56,886 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:56,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-28 04:00:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:56,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:00:56,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 04:00:57,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:00:57,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317766534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:57,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:00:57,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2024-11-28 04:00:57,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638413688] [2024-11-28 04:00:57,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:57,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:00:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:00:57,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:00:57,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:00:57,110 INFO L87 Difference]: Start difference. First operand 6243 states and 9096 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:57,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:57,829 INFO L93 Difference]: Finished difference Result 11747 states and 17276 transitions. [2024-11-28 04:00:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:00:57,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 102 [2024-11-28 04:00:57,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:57,836 INFO L225 Difference]: With dead ends: 11747 [2024-11-28 04:00:57,836 INFO L226 Difference]: Without dead ends: 5961 [2024-11-28 04:00:57,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:00:57,840 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 23 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:57,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 471 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:00:57,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2024-11-28 04:00:58,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 5920. [2024-11-28 04:00:58,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 5457 states have (on average 1.440901594282573) internal successors, (7863), 5508 states have internal predecessors, (7863), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:00:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 8669 transitions. [2024-11-28 04:00:58,394 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 8669 transitions. Word has length 102 [2024-11-28 04:00:58,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:58,395 INFO L471 AbstractCegarLoop]: Abstraction has 5920 states and 8669 transitions. [2024-11-28 04:00:58,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:00:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 8669 transitions. [2024-11-28 04:00:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 04:00:58,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:58,396 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:00:58,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-11-28 04:00:58,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:58,596 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:00:58,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:58,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2058636861, now seen corresponding path program 1 times [2024-11-28 04:00:58,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:00:58,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243126039] [2024-11-28 04:00:58,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:58,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:00:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:00:58,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397433035] [2024-11-28 04:00:58,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:58,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:00:58,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:00:58,625 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:00:58,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-28 04:00:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:58,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:00:58,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:00:59,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:10,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:10,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243126039] [2024-11-28 04:01:10,778 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:01:10,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397433035] [2024-11-28 04:01:10,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397433035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:10,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:01:10,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 04:01:10,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757527054] [2024-11-28 04:01:10,779 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:10,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:01:10,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:10,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:01:10,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=157, Unknown=3, NotChecked=0, Total=210 [2024-11-28 04:01:10,780 INFO L87 Difference]: Start difference. First operand 5920 states and 8669 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:01:12,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:12,553 INFO L93 Difference]: Finished difference Result 6372 states and 9283 transitions. [2024-11-28 04:01:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:01:12,553 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 102 [2024-11-28 04:01:12,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:12,561 INFO L225 Difference]: With dead ends: 6372 [2024-11-28 04:01:12,561 INFO L226 Difference]: Without dead ends: 6370 [2024-11-28 04:01:12,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=103, Invalid=274, Unknown=3, NotChecked=0, Total=380 [2024-11-28 04:01:12,564 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 320 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:12,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 765 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:01:12,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2024-11-28 04:01:13,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 5921. [2024-11-28 04:01:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5921 states, 5458 states have (on average 1.4406375961890803) internal successors, (7863), 5509 states have internal predecessors, (7863), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:01:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5921 states to 5921 states and 8669 transitions. [2024-11-28 04:01:13,105 INFO L78 Accepts]: Start accepts. Automaton has 5921 states and 8669 transitions. Word has length 102 [2024-11-28 04:01:13,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:13,106 INFO L471 AbstractCegarLoop]: Abstraction has 5921 states and 8669 transitions. [2024-11-28 04:01:13,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:01:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5921 states and 8669 transitions. [2024-11-28 04:01:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:01:13,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:13,107 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:13,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:13,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable71 [2024-11-28 04:01:13,307 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:01:13,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:13,308 INFO L85 PathProgramCache]: Analyzing trace with hash -606766547, now seen corresponding path program 1 times [2024-11-28 04:01:13,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:13,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967318889] [2024-11-28 04:01:13,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:13,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:01:13,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [386966246] [2024-11-28 04:01:13,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:13,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:13,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:13,321 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:13,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-28 04:01:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:13,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:01:13,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:01:14,333 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:15,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:15,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967318889] [2024-11-28 04:01:15,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:01:15,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386966246] [2024-11-28 04:01:15,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386966246] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:15,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:01:15,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 04:01:15,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322358141] [2024-11-28 04:01:15,625 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:15,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:01:15,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:15,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:01:15,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=160, Unknown=1, NotChecked=0, Total=210 [2024-11-28 04:01:15,626 INFO L87 Difference]: Start difference. First operand 5921 states and 8669 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:01:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:17,332 INFO L93 Difference]: Finished difference Result 6372 states and 9281 transitions. [2024-11-28 04:01:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:01:17,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 103 [2024-11-28 04:01:17,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:17,340 INFO L225 Difference]: With dead ends: 6372 [2024-11-28 04:01:17,340 INFO L226 Difference]: Without dead ends: 6370 [2024-11-28 04:01:17,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=253, Unknown=1, NotChecked=0, Total=342 [2024-11-28 04:01:17,342 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 313 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:17,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 945 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:01:17,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2024-11-28 04:01:17,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 5920. [2024-11-28 04:01:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 5457 states have (on average 1.4405350925416895) internal successors, (7861), 5508 states have internal predecessors, (7861), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:01:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 8667 transitions. [2024-11-28 04:01:17,852 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 8667 transitions. Word has length 103 [2024-11-28 04:01:17,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:17,852 INFO L471 AbstractCegarLoop]: Abstraction has 5920 states and 8667 transitions. [2024-11-28 04:01:17,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:01:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 8667 transitions. [2024-11-28 04:01:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:01:17,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:17,853 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:17,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2024-11-28 04:01:18,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2024-11-28 04:01:18,053 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:01:18,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:18,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1159684701, now seen corresponding path program 1 times [2024-11-28 04:01:18,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:18,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305649431] [2024-11-28 04:01:18,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:18,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:01:18,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:18,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305649431] [2024-11-28 04:01:18,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305649431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:18,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768362302] [2024-11-28 04:01:18,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:18,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:18,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:18,249 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:18,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 04:01:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:18,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:01:18,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:01:18,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:18,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768362302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:18,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:18,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 04:01:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678829478] [2024-11-28 04:01:18,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:18,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:01:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:18,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:01:18,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:01:18,839 INFO L87 Difference]: Start difference. First operand 5920 states and 8667 transitions. Second operand has 10 states, 9 states have (on average 16.0) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:01:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:19,940 INFO L93 Difference]: Finished difference Result 5977 states and 8684 transitions. [2024-11-28 04:01:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:01:19,941 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.0) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 104 [2024-11-28 04:01:19,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:19,948 INFO L225 Difference]: With dead ends: 5977 [2024-11-28 04:01:19,948 INFO L226 Difference]: Without dead ends: 5976 [2024-11-28 04:01:19,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:01:19,950 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 165 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:19,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1188 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:01:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-11-28 04:01:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5920. [2024-11-28 04:01:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 5457 states have (on average 1.4376030786146234) internal successors, (7845), 5508 states have internal predecessors, (7845), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:01:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 8651 transitions. [2024-11-28 04:01:20,427 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 8651 transitions. Word has length 104 [2024-11-28 04:01:20,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:20,427 INFO L471 AbstractCegarLoop]: Abstraction has 5920 states and 8651 transitions. [2024-11-28 04:01:20,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.0) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:01:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 8651 transitions. [2024-11-28 04:01:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 04:01:20,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:20,428 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:20,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:20,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2024-11-28 04:01:20,628 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:01:20,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:20,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1629893569, now seen corresponding path program 1 times [2024-11-28 04:01:20,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:20,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236496587] [2024-11-28 04:01:20,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:01:20,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193819060] [2024-11-28 04:01:20,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:20,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:20,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:20,643 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:20,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 04:01:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:20,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:01:20,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:01:21,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:36,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:36,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236496587] [2024-11-28 04:01:36,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:01:36,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193819060] [2024-11-28 04:01:36,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193819060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:36,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:01:36,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 04:01:36,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675647234] [2024-11-28 04:01:36,185 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:36,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:01:36,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:36,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:01:36,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=219, Unknown=2, NotChecked=0, Total=272 [2024-11-28 04:01:36,186 INFO L87 Difference]: Start difference. First operand 5920 states and 8651 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:01:38,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:38,010 INFO L93 Difference]: Finished difference Result 6371 states and 9260 transitions. [2024-11-28 04:01:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:01:38,011 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 104 [2024-11-28 04:01:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:38,017 INFO L225 Difference]: With dead ends: 6371 [2024-11-28 04:01:38,017 INFO L226 Difference]: Without dead ends: 6370 [2024-11-28 04:01:38,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=86, Invalid=332, Unknown=2, NotChecked=0, Total=420 [2024-11-28 04:01:38,018 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 390 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:38,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 920 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:01:38,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2024-11-28 04:01:38,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 5923. [2024-11-28 04:01:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5923 states, 5460 states have (on average 1.4373626373626374) internal successors, (7848), 5511 states have internal predecessors, (7848), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:01:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5923 states to 5923 states and 8654 transitions. [2024-11-28 04:01:38,490 INFO L78 Accepts]: Start accepts. Automaton has 5923 states and 8654 transitions. Word has length 104 [2024-11-28 04:01:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:38,490 INFO L471 AbstractCegarLoop]: Abstraction has 5923 states and 8654 transitions. [2024-11-28 04:01:38,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:01:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5923 states and 8654 transitions. [2024-11-28 04:01:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:01:38,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:38,491 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:38,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:38,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:38,692 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:01:38,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:38,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1590487538, now seen corresponding path program 1 times [2024-11-28 04:01:38,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:38,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114509398] [2024-11-28 04:01:38,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:38,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:01:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599181112] [2024-11-28 04:01:38,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:38,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:38,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:38,711 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:38,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-28 04:01:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:38,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 04:01:38,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:01:39,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:01:39,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:39,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114509398] [2024-11-28 04:01:39,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:01:39,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599181112] [2024-11-28 04:01:39,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599181112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:39,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:39,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-28 04:01:39,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278199002] [2024-11-28 04:01:39,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:39,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:01:39,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:39,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:01:39,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:01:39,754 INFO L87 Difference]: Start difference. First operand 5923 states and 8654 transitions. Second operand has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:01:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:43,258 INFO L93 Difference]: Finished difference Result 6583 states and 9574 transitions. [2024-11-28 04:01:43,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:01:43,258 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2024-11-28 04:01:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:43,267 INFO L225 Difference]: With dead ends: 6583 [2024-11-28 04:01:43,268 INFO L226 Difference]: Without dead ends: 6582 [2024-11-28 04:01:43,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:01:43,269 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 1054 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:43,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1759 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 04:01:43,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2024-11-28 04:01:43,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6000. [2024-11-28 04:01:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6000 states, 5533 states have (on average 1.4380986806434122) internal successors, (7957), 5584 states have internal predecessors, (7957), 407 states have call successors, (407), 8 states have call predecessors, (407), 8 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-28 04:01:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6000 states to 6000 states and 8771 transitions. [2024-11-28 04:01:43,745 INFO L78 Accepts]: Start accepts. Automaton has 6000 states and 8771 transitions. Word has length 105 [2024-11-28 04:01:43,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:43,745 INFO L471 AbstractCegarLoop]: Abstraction has 6000 states and 8771 transitions. [2024-11-28 04:01:43,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:01:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 6000 states and 8771 transitions. [2024-11-28 04:01:43,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 04:01:43,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:43,746 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:43,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-28 04:01:43,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:43,947 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:01:43,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:43,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1012907119, now seen corresponding path program 1 times [2024-11-28 04:01:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297063900] [2024-11-28 04:01:43,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:43,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:01:43,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1170658664] [2024-11-28 04:01:43,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:43,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:43,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:43,960 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:43,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-28 04:01:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:44,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-28 04:01:44,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:01:45,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:01:47,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:01:47,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297063900] [2024-11-28 04:01:47,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:01:47,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170658664] [2024-11-28 04:01:47,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170658664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:47,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:47,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 04:01:47,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676528195] [2024-11-28 04:01:47,920 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:47,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:01:47,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:01:47,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:01:47,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:01:47,921 INFO L87 Difference]: Start difference. First operand 6000 states and 8771 transitions. Second operand has 22 states, 21 states have (on average 7.380952380952381) internal successors, (155), 22 states have internal predecessors, (155), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:01:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:59,067 INFO L93 Difference]: Finished difference Result 6502 states and 9457 transitions. [2024-11-28 04:01:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 04:01:59,067 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.380952380952381) internal successors, (155), 22 states have internal predecessors, (155), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 105 [2024-11-28 04:01:59,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:59,075 INFO L225 Difference]: With dead ends: 6502 [2024-11-28 04:01:59,076 INFO L226 Difference]: Without dead ends: 6487 [2024-11-28 04:01:59,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=435, Invalid=1635, Unknown=0, NotChecked=0, Total=2070 [2024-11-28 04:01:59,078 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1160 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 2643 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:59,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 1354 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2643 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-28 04:01:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6487 states. [2024-11-28 04:01:59,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6487 to 5987. [2024-11-28 04:01:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5520 states have (on average 1.4389492753623188) internal successors, (7943), 5571 states have internal predecessors, (7943), 407 states have call successors, (407), 8 states have call predecessors, (407), 8 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-28 04:01:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8757 transitions. [2024-11-28 04:01:59,722 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8757 transitions. Word has length 105 [2024-11-28 04:01:59,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:59,722 INFO L471 AbstractCegarLoop]: Abstraction has 5987 states and 8757 transitions. [2024-11-28 04:01:59,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.380952380952381) internal successors, (155), 22 states have internal predecessors, (155), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:01:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8757 transitions. [2024-11-28 04:01:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 04:01:59,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:59,723 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:59,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:59,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:59,923 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:01:59,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:59,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1735962511, now seen corresponding path program 1 times [2024-11-28 04:01:59,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:01:59,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659278867] [2024-11-28 04:01:59,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:59,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:01:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:01:59,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [988523579] [2024-11-28 04:01:59,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:59,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:01:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:01:59,940 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:01:59,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-28 04:02:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:00,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:02:00,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-28 04:02:00,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:02:00,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:00,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659278867] [2024-11-28 04:02:00,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:02:00,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988523579] [2024-11-28 04:02:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988523579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:00,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:00,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:02:00,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949738499] [2024-11-28 04:02:00,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:00,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:02:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:00,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:02:00,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:02:00,296 INFO L87 Difference]: Start difference. First operand 5987 states and 8757 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 04:02:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:01,293 INFO L93 Difference]: Finished difference Result 6002 states and 8762 transitions. [2024-11-28 04:02:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:02:01,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 108 [2024-11-28 04:02:01,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:01,300 INFO L225 Difference]: With dead ends: 6002 [2024-11-28 04:02:01,300 INFO L226 Difference]: Without dead ends: 6001 [2024-11-28 04:02:01,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:02:01,302 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 201 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:01,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 513 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:02:01,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2024-11-28 04:02:02,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5987. [2024-11-28 04:02:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5520 states have (on average 1.4376811594202898) internal successors, (7936), 5571 states have internal predecessors, (7936), 407 states have call successors, (407), 8 states have call predecessors, (407), 8 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-28 04:02:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8750 transitions. [2024-11-28 04:02:02,170 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8750 transitions. Word has length 108 [2024-11-28 04:02:02,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:02,170 INFO L471 AbstractCegarLoop]: Abstraction has 5987 states and 8750 transitions. [2024-11-28 04:02:02,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 04:02:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8750 transitions. [2024-11-28 04:02:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 04:02:02,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:02,171 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:02,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-11-28 04:02:02,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:02,371 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:02,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:02,372 INFO L85 PathProgramCache]: Analyzing trace with hash -398381065, now seen corresponding path program 1 times [2024-11-28 04:02:02,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:02,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28317883] [2024-11-28 04:02:02,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:02,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:02,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:02,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28317883] [2024-11-28 04:02:02,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28317883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:02,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074327120] [2024-11-28 04:02:02,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:02,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:02,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:02,504 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:02,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-28 04:02:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:02,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:02:02,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:02,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:02,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074327120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:02:02,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:02:02,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2024-11-28 04:02:02,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617049113] [2024-11-28 04:02:02,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:02,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:02:02,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:02,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:02:02,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:02:02,937 INFO L87 Difference]: Start difference. First operand 5987 states and 8750 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:02:05,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:05,149 INFO L93 Difference]: Finished difference Result 12331 states and 18576 transitions. [2024-11-28 04:02:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 04:02:05,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 111 [2024-11-28 04:02:05,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:05,164 INFO L225 Difference]: With dead ends: 12331 [2024-11-28 04:02:05,164 INFO L226 Difference]: Without dead ends: 12283 [2024-11-28 04:02:05,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 220 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:02:05,167 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 862 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:05,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1747 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:02:05,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12283 states. [2024-11-28 04:02:06,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12283 to 6922. [2024-11-28 04:02:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6922 states, 6403 states have (on average 1.446821802280181) internal successors, (9264), 6454 states have internal predecessors, (9264), 459 states have call successors, (459), 8 states have call predecessors, (459), 8 states have return successors, (459), 459 states have call predecessors, (459), 459 states have call successors, (459) [2024-11-28 04:02:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6922 states to 6922 states and 10182 transitions. [2024-11-28 04:02:06,079 INFO L78 Accepts]: Start accepts. Automaton has 6922 states and 10182 transitions. Word has length 111 [2024-11-28 04:02:06,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:06,079 INFO L471 AbstractCegarLoop]: Abstraction has 6922 states and 10182 transitions. [2024-11-28 04:02:06,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:02:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 6922 states and 10182 transitions. [2024-11-28 04:02:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:02:06,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:06,080 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:06,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-11-28 04:02:06,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-11-28 04:02:06,281 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:06,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash -53396569, now seen corresponding path program 1 times [2024-11-28 04:02:06,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:06,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85689137] [2024-11-28 04:02:06,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:06,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:06,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:06,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85689137] [2024-11-28 04:02:06,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85689137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:06,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348255115] [2024-11-28 04:02:06,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:06,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:06,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:06,378 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:06,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-28 04:02:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:06,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:02:06,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:06,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:06,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348255115] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:02:06,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:02:06,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 04:02:06,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006116265] [2024-11-28 04:02:06,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:06,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:02:06,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:06,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:02:06,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:02:06,841 INFO L87 Difference]: Start difference. First operand 6922 states and 10182 transitions. Second operand has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-28 04:02:08,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:08,508 INFO L93 Difference]: Finished difference Result 7130 states and 10439 transitions. [2024-11-28 04:02:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:02:08,508 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 115 [2024-11-28 04:02:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:08,516 INFO L225 Difference]: With dead ends: 7130 [2024-11-28 04:02:08,516 INFO L226 Difference]: Without dead ends: 7129 [2024-11-28 04:02:08,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:02:08,517 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 561 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:08,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 616 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:02:08,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7129 states. [2024-11-28 04:02:09,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7129 to 7081. [2024-11-28 04:02:09,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7081 states, 6540 states have (on average 1.4437308868501528) internal successors, (9442), 6591 states have internal predecessors, (9442), 481 states have call successors, (481), 8 states have call predecessors, (481), 8 states have return successors, (481), 481 states have call predecessors, (481), 481 states have call successors, (481) [2024-11-28 04:02:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7081 states to 7081 states and 10404 transitions. [2024-11-28 04:02:09,257 INFO L78 Accepts]: Start accepts. Automaton has 7081 states and 10404 transitions. Word has length 115 [2024-11-28 04:02:09,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:09,257 INFO L471 AbstractCegarLoop]: Abstraction has 7081 states and 10404 transitions. [2024-11-28 04:02:09,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-28 04:02:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7081 states and 10404 transitions. [2024-11-28 04:02:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:02:09,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:09,258 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:09,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-11-28 04:02:09,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-28 04:02:09,462 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:09,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:09,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1655293508, now seen corresponding path program 1 times [2024-11-28 04:02:09,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:09,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305671119] [2024-11-28 04:02:09,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:09,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:09,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:09,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305671119] [2024-11-28 04:02:09,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305671119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:09,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896200531] [2024-11-28 04:02:09,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:09,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:09,562 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:09,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-28 04:02:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:09,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:02:09,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:09,764 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:09,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896200531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:02:09,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:02:09,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-28 04:02:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631043056] [2024-11-28 04:02:09,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:09,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:02:09,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:09,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:02:09,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:02:09,969 INFO L87 Difference]: Start difference. First operand 7081 states and 10404 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2024-11-28 04:02:13,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:13,366 INFO L93 Difference]: Finished difference Result 11598 states and 17458 transitions. [2024-11-28 04:02:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-28 04:02:13,366 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) Word has length 116 [2024-11-28 04:02:13,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:13,381 INFO L225 Difference]: With dead ends: 11598 [2024-11-28 04:02:13,381 INFO L226 Difference]: Without dead ends: 11596 [2024-11-28 04:02:13,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1026, Invalid=3530, Unknown=0, NotChecked=0, Total=4556 [2024-11-28 04:02:13,385 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 2699 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2699 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:13,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2699 Valid, 471 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:02:13,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11596 states. [2024-11-28 04:02:14,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11596 to 6624. [2024-11-28 04:02:14,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6624 states, 6106 states have (on average 1.4452997052079921) internal successors, (8825), 6156 states have internal predecessors, (8825), 459 states have call successors, (459), 8 states have call predecessors, (459), 8 states have return successors, (459), 459 states have call predecessors, (459), 459 states have call successors, (459) [2024-11-28 04:02:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6624 states to 6624 states and 9743 transitions. [2024-11-28 04:02:14,233 INFO L78 Accepts]: Start accepts. Automaton has 6624 states and 9743 transitions. Word has length 116 [2024-11-28 04:02:14,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:14,233 INFO L471 AbstractCegarLoop]: Abstraction has 6624 states and 9743 transitions. [2024-11-28 04:02:14,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2024-11-28 04:02:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 6624 states and 9743 transitions. [2024-11-28 04:02:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 04:02:14,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:14,234 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:14,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-11-28 04:02:14,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:14,435 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:14,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:14,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1599157365, now seen corresponding path program 1 times [2024-11-28 04:02:14,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:14,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160498069] [2024-11-28 04:02:14,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:14,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:14,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:14,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160498069] [2024-11-28 04:02:14,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160498069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:02:14,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:02:14,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:02:14,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253509243] [2024-11-28 04:02:14,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:14,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:02:14,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:14,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:02:14,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:02:14,493 INFO L87 Difference]: Start difference. First operand 6624 states and 9743 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 04:02:15,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:15,425 INFO L93 Difference]: Finished difference Result 6624 states and 9743 transitions. [2024-11-28 04:02:15,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:02:15,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118 [2024-11-28 04:02:15,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:15,433 INFO L225 Difference]: With dead ends: 6624 [2024-11-28 04:02:15,433 INFO L226 Difference]: Without dead ends: 6623 [2024-11-28 04:02:15,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:02:15,435 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 27 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:15,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 313 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:02:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2024-11-28 04:02:16,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6613. [2024-11-28 04:02:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6613 states, 6096 states have (on average 1.4424212598425197) internal successors, (8793), 6145 states have internal predecessors, (8793), 459 states have call successors, (459), 8 states have call predecessors, (459), 8 states have return successors, (459), 459 states have call predecessors, (459), 459 states have call successors, (459) [2024-11-28 04:02:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6613 states to 6613 states and 9711 transitions. [2024-11-28 04:02:16,195 INFO L78 Accepts]: Start accepts. Automaton has 6613 states and 9711 transitions. Word has length 118 [2024-11-28 04:02:16,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:16,196 INFO L471 AbstractCegarLoop]: Abstraction has 6613 states and 9711 transitions. [2024-11-28 04:02:16,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 04:02:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6613 states and 9711 transitions. [2024-11-28 04:02:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 04:02:16,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:16,197 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:16,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-28 04:02:16,197 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:16,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:16,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1965730958, now seen corresponding path program 1 times [2024-11-28 04:02:16,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:16,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735077204] [2024-11-28 04:02:16,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:16,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:16,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:16,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735077204] [2024-11-28 04:02:16,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735077204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:16,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019461128] [2024-11-28 04:02:16,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:16,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:16,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:16,267 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:16,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-28 04:02:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:16,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:02:16,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:16,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:16,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019461128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:02:16,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:02:16,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 04:02:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403232765] [2024-11-28 04:02:16,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:16,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:02:16,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:16,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:02:16,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:02:16,573 INFO L87 Difference]: Start difference. First operand 6613 states and 9711 transitions. Second operand has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 04:02:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:17,583 INFO L93 Difference]: Finished difference Result 7593 states and 11162 transitions. [2024-11-28 04:02:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:02:17,584 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 119 [2024-11-28 04:02:17,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:17,599 INFO L225 Difference]: With dead ends: 7593 [2024-11-28 04:02:17,599 INFO L226 Difference]: Without dead ends: 7592 [2024-11-28 04:02:17,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:02:17,602 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 130 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:17,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 507 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:02:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2024-11-28 04:02:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7348. [2024-11-28 04:02:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7348 states, 6747 states have (on average 1.4428634948866164) internal successors, (9735), 6796 states have internal predecessors, (9735), 543 states have call successors, (543), 8 states have call predecessors, (543), 8 states have return successors, (543), 543 states have call predecessors, (543), 543 states have call successors, (543) [2024-11-28 04:02:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7348 states to 7348 states and 10821 transitions. [2024-11-28 04:02:18,507 INFO L78 Accepts]: Start accepts. Automaton has 7348 states and 10821 transitions. Word has length 119 [2024-11-28 04:02:18,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:18,507 INFO L471 AbstractCegarLoop]: Abstraction has 7348 states and 10821 transitions. [2024-11-28 04:02:18,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 04:02:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 7348 states and 10821 transitions. [2024-11-28 04:02:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 04:02:18,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:18,508 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:18,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-28 04:02:18,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:18,708 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:18,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2074517419, now seen corresponding path program 1 times [2024-11-28 04:02:18,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:18,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196689485] [2024-11-28 04:02:18,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:02:18,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16401663] [2024-11-28 04:02:18,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:18,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:18,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:18,726 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:18,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-28 04:02:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:18,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 04:02:18,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 04:02:20,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 04:02:23,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:23,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196689485] [2024-11-28 04:02:23,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:02:23,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16401663] [2024-11-28 04:02:23,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16401663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:02:23,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:02:23,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-28 04:02:23,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489138048] [2024-11-28 04:02:23,277 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:23,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 04:02:23,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:23,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 04:02:23,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:02:23,278 INFO L87 Difference]: Start difference. First operand 7348 states and 10821 transitions. Second operand has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 24 states have internal predecessors, (169), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 04:02:33,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:33,679 INFO L93 Difference]: Finished difference Result 7933 states and 11657 transitions. [2024-11-28 04:02:33,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 04:02:33,680 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 24 states have internal predecessors, (169), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 117 [2024-11-28 04:02:33,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:33,691 INFO L225 Difference]: With dead ends: 7933 [2024-11-28 04:02:33,691 INFO L226 Difference]: Without dead ends: 7932 [2024-11-28 04:02:33,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=365, Invalid=1441, Unknown=0, NotChecked=0, Total=1806 [2024-11-28 04:02:33,694 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 666 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 2960 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:33,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 1413 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2960 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-28 04:02:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7932 states. [2024-11-28 04:02:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7932 to 7396. [2024-11-28 04:02:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7396 states, 6791 states have (on average 1.4324841702252982) internal successors, (9728), 6840 states have internal predecessors, (9728), 547 states have call successors, (547), 8 states have call predecessors, (547), 8 states have return successors, (547), 547 states have call predecessors, (547), 547 states have call successors, (547) [2024-11-28 04:02:34,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7396 states to 7396 states and 10822 transitions. [2024-11-28 04:02:34,695 INFO L78 Accepts]: Start accepts. Automaton has 7396 states and 10822 transitions. Word has length 117 [2024-11-28 04:02:34,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:34,695 INFO L471 AbstractCegarLoop]: Abstraction has 7396 states and 10822 transitions. [2024-11-28 04:02:34,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 24 states have internal predecessors, (169), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 04:02:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 7396 states and 10822 transitions. [2024-11-28 04:02:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 04:02:34,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:34,696 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:34,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-11-28 04:02:34,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:34,896 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:34,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash -719663474, now seen corresponding path program 1 times [2024-11-28 04:02:34,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:34,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664318110] [2024-11-28 04:02:34,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:34,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:34,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664318110] [2024-11-28 04:02:34,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664318110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:34,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684385184] [2024-11-28 04:02:34,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:34,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:34,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:34,987 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:34,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-28 04:02:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:35,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:02:35,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:35,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:02:35,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684385184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:02:35,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:02:35,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-28 04:02:35,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063124750] [2024-11-28 04:02:35,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:35,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:02:35,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:35,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:02:35,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:02:35,531 INFO L87 Difference]: Start difference. First operand 7396 states and 10822 transitions. Second operand has 11 states, 10 states have (on average 20.5) internal successors, (205), 11 states have internal predecessors, (205), 7 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-28 04:02:37,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:37,135 INFO L93 Difference]: Finished difference Result 9573 states and 14041 transitions. [2024-11-28 04:02:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:02:37,136 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 20.5) internal successors, (205), 11 states have internal predecessors, (205), 7 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) Word has length 121 [2024-11-28 04:02:37,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:37,148 INFO L225 Difference]: With dead ends: 9573 [2024-11-28 04:02:37,148 INFO L226 Difference]: Without dead ends: 9572 [2024-11-28 04:02:37,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:02:37,150 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 546 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:37,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 722 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:02:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9572 states. [2024-11-28 04:02:38,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9572 to 8361. [2024-11-28 04:02:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8361 states, 7671 states have (on average 1.4325381306218226) internal successors, (10989), 7720 states have internal predecessors, (10989), 632 states have call successors, (632), 8 states have call predecessors, (632), 8 states have return successors, (632), 632 states have call predecessors, (632), 632 states have call successors, (632) [2024-11-28 04:02:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8361 states to 8361 states and 12253 transitions. [2024-11-28 04:02:38,229 INFO L78 Accepts]: Start accepts. Automaton has 8361 states and 12253 transitions. Word has length 121 [2024-11-28 04:02:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:38,230 INFO L471 AbstractCegarLoop]: Abstraction has 8361 states and 12253 transitions. [2024-11-28 04:02:38,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 20.5) internal successors, (205), 11 states have internal predecessors, (205), 7 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-28 04:02:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 8361 states and 12253 transitions. [2024-11-28 04:02:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 04:02:38,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:38,231 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:38,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2024-11-28 04:02:38,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:38,431 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:38,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:38,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1719069251, now seen corresponding path program 1 times [2024-11-28 04:02:38,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:38,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444109733] [2024-11-28 04:02:38,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:38,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 10 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:38,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:38,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444109733] [2024-11-28 04:02:38,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444109733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:38,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348067737] [2024-11-28 04:02:38,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:38,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:38,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:38,732 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:38,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-28 04:02:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:38,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 04:02:38,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 10 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:39,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 10 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:39,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348067737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:02:39,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:02:39,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2024-11-28 04:02:39,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612429518] [2024-11-28 04:02:39,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:39,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 04:02:39,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:39,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 04:02:39,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=893, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:02:39,469 INFO L87 Difference]: Start difference. First operand 8361 states and 12253 transitions. Second operand has 34 states, 34 states have (on average 5.4411764705882355) internal successors, (185), 34 states have internal predecessors, (185), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-28 04:02:41,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:41,336 INFO L93 Difference]: Finished difference Result 13724 states and 20403 transitions. [2024-11-28 04:02:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-28 04:02:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.4411764705882355) internal successors, (185), 34 states have internal predecessors, (185), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 119 [2024-11-28 04:02:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:41,351 INFO L225 Difference]: With dead ends: 13724 [2024-11-28 04:02:41,352 INFO L226 Difference]: Without dead ends: 8495 [2024-11-28 04:02:41,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=712, Invalid=2710, Unknown=0, NotChecked=0, Total=3422 [2024-11-28 04:02:41,361 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 209 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:41,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 1071 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:02:41,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8495 states. [2024-11-28 04:02:42,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8495 to 8430. [2024-11-28 04:02:42,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8430 states, 7735 states have (on average 1.4315449256625727) internal successors, (11073), 7784 states have internal predecessors, (11073), 636 states have call successors, (636), 9 states have call predecessors, (636), 9 states have return successors, (636), 636 states have call predecessors, (636), 636 states have call successors, (636) [2024-11-28 04:02:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8430 states to 8430 states and 12345 transitions. [2024-11-28 04:02:42,503 INFO L78 Accepts]: Start accepts. Automaton has 8430 states and 12345 transitions. Word has length 119 [2024-11-28 04:02:42,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:42,503 INFO L471 AbstractCegarLoop]: Abstraction has 8430 states and 12345 transitions. [2024-11-28 04:02:42,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.4411764705882355) internal successors, (185), 34 states have internal predecessors, (185), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-28 04:02:42,503 INFO L276 IsEmpty]: Start isEmpty. Operand 8430 states and 12345 transitions. [2024-11-28 04:02:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 04:02:42,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:42,504 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:42,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-28 04:02:42,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:42,705 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:42,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:42,705 INFO L85 PathProgramCache]: Analyzing trace with hash 434382609, now seen corresponding path program 1 times [2024-11-28 04:02:42,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:42,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821076876] [2024-11-28 04:02:42,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:42,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:02:42,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666214472] [2024-11-28 04:02:42,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:42,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:42,725 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:42,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-28 04:02:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:42,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:02:42,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:43,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:44,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:44,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821076876] [2024-11-28 04:02:44,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:02:44,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666214472] [2024-11-28 04:02:44,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666214472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:44,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:02:44,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 04:02:44,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078660063] [2024-11-28 04:02:44,018 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:44,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:02:44,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:44,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:02:44,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:02:44,019 INFO L87 Difference]: Start difference. First operand 8430 states and 12345 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:02:46,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:46,574 INFO L93 Difference]: Finished difference Result 8884 states and 12999 transitions. [2024-11-28 04:02:46,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:02:46,575 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 122 [2024-11-28 04:02:46,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:46,585 INFO L225 Difference]: With dead ends: 8884 [2024-11-28 04:02:46,585 INFO L226 Difference]: Without dead ends: 8883 [2024-11-28 04:02:46,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:02:46,587 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 535 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:46,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1413 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:02:46,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8883 states. [2024-11-28 04:02:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8883 to 8817. [2024-11-28 04:02:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8817 states, 8078 states have (on average 1.435627630601634) internal successors, (11597), 8127 states have internal predecessors, (11597), 680 states have call successors, (680), 9 states have call predecessors, (680), 9 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-11-28 04:02:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8817 states to 8817 states and 12957 transitions. [2024-11-28 04:02:47,878 INFO L78 Accepts]: Start accepts. Automaton has 8817 states and 12957 transitions. Word has length 122 [2024-11-28 04:02:47,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:47,878 INFO L471 AbstractCegarLoop]: Abstraction has 8817 states and 12957 transitions. [2024-11-28 04:02:47,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:02:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 8817 states and 12957 transitions. [2024-11-28 04:02:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 04:02:47,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:47,879 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:47,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-11-28 04:02:48,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2024-11-28 04:02:48,083 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:48,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:48,083 INFO L85 PathProgramCache]: Analyzing trace with hash 580959086, now seen corresponding path program 1 times [2024-11-28 04:02:48,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:48,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516673131] [2024-11-28 04:02:48,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:48,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:02:48,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1223862432] [2024-11-28 04:02:48,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:48,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:48,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:48,104 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:48,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-28 04:02:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:48,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:02:48,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:02:49,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:49,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:49,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516673131] [2024-11-28 04:02:49,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:02:49,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223862432] [2024-11-28 04:02:49,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223862432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:49,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:02:49,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 04:02:49,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136078026] [2024-11-28 04:02:49,550 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:49,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:02:49,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:49,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:02:49,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:02:49,550 INFO L87 Difference]: Start difference. First operand 8817 states and 12957 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:02:52,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:52,354 INFO L93 Difference]: Finished difference Result 8884 states and 12987 transitions. [2024-11-28 04:02:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:02:52,355 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 123 [2024-11-28 04:02:52,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:52,367 INFO L225 Difference]: With dead ends: 8884 [2024-11-28 04:02:52,367 INFO L226 Difference]: Without dead ends: 8883 [2024-11-28 04:02:52,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:02:52,369 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 492 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:52,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1465 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:02:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8883 states. [2024-11-28 04:02:53,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8883 to 8817. [2024-11-28 04:02:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8817 states, 8078 states have (on average 1.4341421143847486) internal successors, (11585), 8127 states have internal predecessors, (11585), 680 states have call successors, (680), 9 states have call predecessors, (680), 9 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-11-28 04:02:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8817 states to 8817 states and 12945 transitions. [2024-11-28 04:02:53,830 INFO L78 Accepts]: Start accepts. Automaton has 8817 states and 12945 transitions. Word has length 123 [2024-11-28 04:02:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:53,830 INFO L471 AbstractCegarLoop]: Abstraction has 8817 states and 12945 transitions. [2024-11-28 04:02:53,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:02:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 8817 states and 12945 transitions. [2024-11-28 04:02:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 04:02:53,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:53,831 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:53,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-28 04:02:54,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-11-28 04:02:54,031 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:02:54,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:54,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1664074453, now seen corresponding path program 1 times [2024-11-28 04:02:54,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:02:54,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078033367] [2024-11-28 04:02:54,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:54,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:02:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 04:02:54,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:02:54,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078033367] [2024-11-28 04:02:54,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078033367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:54,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379905197] [2024-11-28 04:02:54,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:54,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:02:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:02:54,154 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:02:54,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-28 04:02:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:54,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:02:54,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 04:02:54,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:54,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379905197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:54,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:02:54,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-28 04:02:54,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190050837] [2024-11-28 04:02:54,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:02:54,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:02:54,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:02:54,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:02:54,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:02:54,528 INFO L87 Difference]: Start difference. First operand 8817 states and 12945 transitions. Second operand has 9 states, 8 states have (on average 15.0) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:02:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:58,864 INFO L93 Difference]: Finished difference Result 19643 states and 29294 transitions. [2024-11-28 04:02:58,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:02:58,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.0) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 125 [2024-11-28 04:02:58,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:58,892 INFO L225 Difference]: With dead ends: 19643 [2024-11-28 04:02:58,892 INFO L226 Difference]: Without dead ends: 19593 [2024-11-28 04:02:58,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:02:58,896 INFO L435 NwaCegarLoop]: 416 mSDtfsCounter, 775 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:58,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 1882 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:02:58,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19593 states. [2024-11-28 04:03:01,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19593 to 14845. [2024-11-28 04:03:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14845 states, 13642 states have (on average 1.4478082392611054) internal successors, (19751), 13691 states have internal predecessors, (19751), 1144 states have call successors, (1144), 9 states have call predecessors, (1144), 9 states have return successors, (1144), 1144 states have call predecessors, (1144), 1144 states have call successors, (1144) [2024-11-28 04:03:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14845 states to 14845 states and 22039 transitions. [2024-11-28 04:03:01,916 INFO L78 Accepts]: Start accepts. Automaton has 14845 states and 22039 transitions. Word has length 125 [2024-11-28 04:03:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:01,916 INFO L471 AbstractCegarLoop]: Abstraction has 14845 states and 22039 transitions. [2024-11-28 04:03:01,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.0) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:03:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 14845 states and 22039 transitions. [2024-11-28 04:03:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 04:03:01,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:01,917 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:01,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Forceful destruction successful, exit code 0 [2024-11-28 04:03:02,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2024-11-28 04:03:02,117 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:03:02,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:02,117 INFO L85 PathProgramCache]: Analyzing trace with hash 829862579, now seen corresponding path program 1 times [2024-11-28 04:03:02,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:02,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029260124] [2024-11-28 04:03:02,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:02,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:03:02,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137931476] [2024-11-28 04:03:02,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:02,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:02,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:02,140 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:02,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-28 04:03:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:02,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:03:02,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 04:03:02,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:03:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 04:03:10,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:10,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029260124] [2024-11-28 04:03:10,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:03:10,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137931476] [2024-11-28 04:03:10,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137931476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:03:10,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:03:10,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-28 04:03:10,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438509331] [2024-11-28 04:03:10,675 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:03:10,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:03:10,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:10,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:03:10,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-28 04:03:10,676 INFO L87 Difference]: Start difference. First operand 14845 states and 22039 transitions. Second operand has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:03:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:14,384 INFO L93 Difference]: Finished difference Result 17518 states and 26150 transitions. [2024-11-28 04:03:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:03:14,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 124 [2024-11-28 04:03:14,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:14,410 INFO L225 Difference]: With dead ends: 17518 [2024-11-28 04:03:14,410 INFO L226 Difference]: Without dead ends: 17516 [2024-11-28 04:03:14,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 238 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-11-28 04:03:14,414 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 434 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:14,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1079 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:03:14,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17516 states. [2024-11-28 04:03:17,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17516 to 17087. [2024-11-28 04:03:17,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17087 states, 15636 states have (on average 1.4515860833972882) internal successors, (22697), 15685 states have internal predecessors, (22697), 1392 states have call successors, (1392), 9 states have call predecessors, (1392), 9 states have return successors, (1392), 1392 states have call predecessors, (1392), 1392 states have call successors, (1392) [2024-11-28 04:03:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17087 states to 17087 states and 25481 transitions. [2024-11-28 04:03:17,118 INFO L78 Accepts]: Start accepts. Automaton has 17087 states and 25481 transitions. Word has length 124 [2024-11-28 04:03:17,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:17,118 INFO L471 AbstractCegarLoop]: Abstraction has 17087 states and 25481 transitions. [2024-11-28 04:03:17,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:03:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 17087 states and 25481 transitions. [2024-11-28 04:03:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 04:03:17,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:17,120 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:17,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-11-28 04:03:17,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2024-11-28 04:03:17,320 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:03:17,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:17,321 INFO L85 PathProgramCache]: Analyzing trace with hash -44063728, now seen corresponding path program 1 times [2024-11-28 04:03:17,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:17,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344118973] [2024-11-28 04:03:17,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:03:17,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [741666837] [2024-11-28 04:03:17,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:17,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:17,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:17,338 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-28 04:03:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:17,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:03:17,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 04:03:17,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:03:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 04:03:26,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:26,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344118973] [2024-11-28 04:03:26,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:03:26,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741666837] [2024-11-28 04:03:26,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741666837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:03:26,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:03:26,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-28 04:03:26,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816724757] [2024-11-28 04:03:26,035 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:03:26,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:03:26,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:26,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:03:26,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-28 04:03:26,036 INFO L87 Difference]: Start difference. First operand 17087 states and 25481 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:03:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:30,529 INFO L93 Difference]: Finished difference Result 17518 states and 26014 transitions. [2024-11-28 04:03:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:03:30,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 125 [2024-11-28 04:03:30,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:30,553 INFO L225 Difference]: With dead ends: 17518 [2024-11-28 04:03:30,553 INFO L226 Difference]: Without dead ends: 17516 [2024-11-28 04:03:30,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-11-28 04:03:30,557 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 270 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:30,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1235 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:03:30,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17516 states. [2024-11-28 04:03:33,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17516 to 16700. [2024-11-28 04:03:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16700 states, 15293 states have (on average 1.4433400902373634) internal successors, (22073), 15342 states have internal predecessors, (22073), 1348 states have call successors, (1348), 9 states have call predecessors, (1348), 9 states have return successors, (1348), 1348 states have call predecessors, (1348), 1348 states have call successors, (1348) [2024-11-28 04:03:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16700 states to 16700 states and 24769 transitions. [2024-11-28 04:03:33,154 INFO L78 Accepts]: Start accepts. Automaton has 16700 states and 24769 transitions. Word has length 125 [2024-11-28 04:03:33,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:33,154 INFO L471 AbstractCegarLoop]: Abstraction has 16700 states and 24769 transitions. [2024-11-28 04:03:33,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 04:03:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 16700 states and 24769 transitions. [2024-11-28 04:03:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 04:03:33,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:33,155 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:33,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-11-28 04:03:33,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:33,356 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:03:33,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:33,356 INFO L85 PathProgramCache]: Analyzing trace with hash 446205927, now seen corresponding path program 1 times [2024-11-28 04:03:33,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:33,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460522778] [2024-11-28 04:03:33,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:33,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:03:33,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566911002] [2024-11-28 04:03:33,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:33,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:33,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:33,374 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:33,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-28 04:03:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:33,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:03:33,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 04:03:33,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:03:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 04:03:33,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:33,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460522778] [2024-11-28 04:03:33,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:03:33,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566911002] [2024-11-28 04:03:33,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566911002] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:03:33,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:03:33,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 04:03:33,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296918386] [2024-11-28 04:03:33,867 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:03:33,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:03:33,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:33,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:03:33,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:03:33,868 INFO L87 Difference]: Start difference. First operand 16700 states and 24769 transitions. Second operand has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 04:03:39,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:39,345 INFO L93 Difference]: Finished difference Result 27823 states and 41366 transitions. [2024-11-28 04:03:39,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-28 04:03:39,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 132 [2024-11-28 04:03:39,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:39,384 INFO L225 Difference]: With dead ends: 27823 [2024-11-28 04:03:39,384 INFO L226 Difference]: Without dead ends: 27822 [2024-11-28 04:03:39,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=494, Invalid=1486, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 04:03:39,388 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 1051 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:39,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1054 Valid, 1578 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:03:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27822 states. [2024-11-28 04:03:43,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27822 to 22907. [2024-11-28 04:03:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22907 states, 20936 states have (on average 1.4489396255254108) internal successors, (30335), 20985 states have internal predecessors, (30335), 1912 states have call successors, (1912), 9 states have call predecessors, (1912), 9 states have return successors, (1912), 1912 states have call predecessors, (1912), 1912 states have call successors, (1912) [2024-11-28 04:03:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22907 states to 22907 states and 34159 transitions. [2024-11-28 04:03:43,713 INFO L78 Accepts]: Start accepts. Automaton has 22907 states and 34159 transitions. Word has length 132 [2024-11-28 04:03:43,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:43,714 INFO L471 AbstractCegarLoop]: Abstraction has 22907 states and 34159 transitions. [2024-11-28 04:03:43,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 04:03:43,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22907 states and 34159 transitions. [2024-11-28 04:03:43,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 04:03:43,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:43,714 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:43,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-11-28 04:03:43,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:43,915 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:03:43,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:43,915 INFO L85 PathProgramCache]: Analyzing trace with hash -210020687, now seen corresponding path program 1 times [2024-11-28 04:03:43,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:43,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908290589] [2024-11-28 04:03:43,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:43,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:03:43,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765389598] [2024-11-28 04:03:43,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:43,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:43,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:43,933 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:43,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-11-28 04:03:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:44,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:03:44,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:03:44,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:03:44,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:44,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908290589] [2024-11-28 04:03:44,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:03:44,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765389598] [2024-11-28 04:03:44,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765389598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:03:44,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:03:44,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 04:03:44,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270868606] [2024-11-28 04:03:44,675 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:03:44,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:03:44,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:44,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:03:44,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:03:44,676 INFO L87 Difference]: Start difference. First operand 22907 states and 34159 transitions. Second operand has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:03:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:48,184 INFO L93 Difference]: Finished difference Result 23077 states and 34356 transitions. [2024-11-28 04:03:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:03:48,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 133 [2024-11-28 04:03:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:48,217 INFO L225 Difference]: With dead ends: 23077 [2024-11-28 04:03:48,217 INFO L226 Difference]: Without dead ends: 23076 [2024-11-28 04:03:48,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:03:48,222 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 289 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:48,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 379 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:03:48,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23076 states. [2024-11-28 04:03:51,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23076 to 22907. [2024-11-28 04:03:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22907 states, 20936 states have (on average 1.4488918609094383) internal successors, (30334), 20985 states have internal predecessors, (30334), 1912 states have call successors, (1912), 9 states have call predecessors, (1912), 9 states have return successors, (1912), 1912 states have call predecessors, (1912), 1912 states have call successors, (1912) [2024-11-28 04:03:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22907 states to 22907 states and 34158 transitions. [2024-11-28 04:03:51,976 INFO L78 Accepts]: Start accepts. Automaton has 22907 states and 34158 transitions. Word has length 133 [2024-11-28 04:03:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:51,976 INFO L471 AbstractCegarLoop]: Abstraction has 22907 states and 34158 transitions. [2024-11-28 04:03:51,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:03:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 22907 states and 34158 transitions. [2024-11-28 04:03:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:03:51,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:51,977 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:51,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2024-11-28 04:03:52,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:52,178 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:03:52,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1514678597, now seen corresponding path program 1 times [2024-11-28 04:03:52,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:03:52,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701123482] [2024-11-28 04:03:52,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:03:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:03:52,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034486186] [2024-11-28 04:03:52,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:52,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:03:52,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:03:52,196 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:03:52,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-11-28 04:03:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:52,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:03:52,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 04:03:53,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:03:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 04:03:54,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:03:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701123482] [2024-11-28 04:03:54,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:03:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034486186] [2024-11-28 04:03:54,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034486186] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:03:54,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:03:54,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2024-11-28 04:03:54,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145224522] [2024-11-28 04:03:54,802 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:03:54,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 04:03:54,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:03:54,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 04:03:54,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:03:54,803 INFO L87 Difference]: Start difference. First operand 22907 states and 34158 transitions. Second operand has 26 states, 25 states have (on average 7.88) internal successors, (197), 26 states have internal predecessors, (197), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 04:04:00,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-28 04:04:16,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:04:20,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:04:29,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:29,590 INFO L93 Difference]: Finished difference Result 24063 states and 35766 transitions. [2024-11-28 04:04:29,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-28 04:04:29,591 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.88) internal successors, (197), 26 states have internal predecessors, (197), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 131 [2024-11-28 04:04:29,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:29,622 INFO L225 Difference]: With dead ends: 24063 [2024-11-28 04:04:29,622 INFO L226 Difference]: Without dead ends: 24060 [2024-11-28 04:04:29,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=879, Invalid=3813, Unknown=0, NotChecked=0, Total=4692 [2024-11-28 04:04:29,627 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 1740 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 3261 mSolverCounterSat, 187 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 3451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 3261 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:29,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2384 Invalid, 3451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 3261 Invalid, 3 Unknown, 0 Unchecked, 27.0s Time] [2024-11-28 04:04:29,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24060 states. [2024-11-28 04:04:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24060 to 23521. [2024-11-28 04:04:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23521 states, 21496 states have (on average 1.4339411983624861) internal successors, (30824), 21545 states have internal predecessors, (30824), 1966 states have call successors, (1966), 9 states have call predecessors, (1966), 9 states have return successors, (1966), 1966 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-28 04:04:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23521 states to 23521 states and 34756 transitions. [2024-11-28 04:04:34,752 INFO L78 Accepts]: Start accepts. Automaton has 23521 states and 34756 transitions. Word has length 131 [2024-11-28 04:04:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:34,752 INFO L471 AbstractCegarLoop]: Abstraction has 23521 states and 34756 transitions. [2024-11-28 04:04:34,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.88) internal successors, (197), 26 states have internal predecessors, (197), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 04:04:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 23521 states and 34756 transitions. [2024-11-28 04:04:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 04:04:34,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:34,753 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:04:34,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2024-11-28 04:04:34,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:04:34,953 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:04:34,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:34,953 INFO L85 PathProgramCache]: Analyzing trace with hash 387784957, now seen corresponding path program 1 times [2024-11-28 04:04:34,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:04:34,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792081062] [2024-11-28 04:04:34,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:34,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:04:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:04:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385653826] [2024-11-28 04:04:34,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:34,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:04:34,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:04:34,971 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:04:34,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-11-28 04:04:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:35,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 04:04:35,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 04:04:36,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:04:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:04:56,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792081062] [2024-11-28 04:04:56,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:04:56,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385653826] [2024-11-28 04:04:56,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385653826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:04:56,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:04:56,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 04:04:56,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756595728] [2024-11-28 04:04:56,622 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:04:56,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:04:56,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:04:56,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:04:56,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=243, Unknown=3, NotChecked=0, Total=306 [2024-11-28 04:04:56,623 INFO L87 Difference]: Start difference. First operand 23521 states and 34756 transitions. Second operand has 14 states, 13 states have (on average 8.0) internal successors, (104), 14 states have internal predecessors, (104), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:05:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:02,401 INFO L93 Difference]: Finished difference Result 23638 states and 34882 transitions. [2024-11-28 04:05:02,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:05:02,402 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.0) internal successors, (104), 14 states have internal predecessors, (104), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 133 [2024-11-28 04:05:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:02,433 INFO L225 Difference]: With dead ends: 23638 [2024-11-28 04:05:02,433 INFO L226 Difference]: Without dead ends: 23637 [2024-11-28 04:05:02,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=96, Invalid=363, Unknown=3, NotChecked=0, Total=462 [2024-11-28 04:05:02,439 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 492 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 1737 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:02,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1817 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1737 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 04:05:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23637 states. [2024-11-28 04:05:06,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23637 to 23521. [2024-11-28 04:05:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23521 states, 21496 states have (on average 1.4338946780796427) internal successors, (30823), 21545 states have internal predecessors, (30823), 1966 states have call successors, (1966), 9 states have call predecessors, (1966), 9 states have return successors, (1966), 1966 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-28 04:05:07,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23521 states to 23521 states and 34755 transitions. [2024-11-28 04:05:07,039 INFO L78 Accepts]: Start accepts. Automaton has 23521 states and 34755 transitions. Word has length 133 [2024-11-28 04:05:07,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:07,039 INFO L471 AbstractCegarLoop]: Abstraction has 23521 states and 34755 transitions. [2024-11-28 04:05:07,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.0) internal successors, (104), 14 states have internal predecessors, (104), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:05:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 23521 states and 34755 transitions. [2024-11-28 04:05:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:05:07,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:07,040 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:07,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Forceful destruction successful, exit code 0 [2024-11-28 04:05:07,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:05:07,240 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:05:07,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash -863568113, now seen corresponding path program 1 times [2024-11-28 04:05:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:05:07,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183850175] [2024-11-28 04:05:07,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:07,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:05:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:05:07,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623054992] [2024-11-28 04:05:07,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:07,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:05:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:05:07,261 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:05:07,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-11-28 04:05:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:07,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 04:05:07,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 04:05:08,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:13,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:05:13,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183850175] [2024-11-28 04:05:13,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:05:13,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623054992] [2024-11-28 04:05:13,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623054992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:05:13,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:05:13,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 04:05:13,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617469029] [2024-11-28 04:05:13,150 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:05:13,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:05:13,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:05:13,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:05:13,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=242, Unknown=1, NotChecked=0, Total=306 [2024-11-28 04:05:13,151 INFO L87 Difference]: Start difference. First operand 23521 states and 34755 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:05:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:18,214 INFO L93 Difference]: Finished difference Result 23638 states and 34881 transitions. [2024-11-28 04:05:18,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:05:18,214 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 134 [2024-11-28 04:05:18,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:18,249 INFO L225 Difference]: With dead ends: 23638 [2024-11-28 04:05:18,249 INFO L226 Difference]: Without dead ends: 23637 [2024-11-28 04:05:18,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=111, Invalid=394, Unknown=1, NotChecked=0, Total=506 [2024-11-28 04:05:18,254 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 489 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:18,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1319 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 04:05:18,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23637 states. [2024-11-28 04:05:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23637 to 23521. [2024-11-28 04:05:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23521 states, 21496 states have (on average 1.4338481577967994) internal successors, (30822), 21545 states have internal predecessors, (30822), 1966 states have call successors, (1966), 9 states have call predecessors, (1966), 9 states have return successors, (1966), 1966 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-28 04:05:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23521 states to 23521 states and 34754 transitions. [2024-11-28 04:05:22,282 INFO L78 Accepts]: Start accepts. Automaton has 23521 states and 34754 transitions. Word has length 134 [2024-11-28 04:05:22,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:22,282 INFO L471 AbstractCegarLoop]: Abstraction has 23521 states and 34754 transitions. [2024-11-28 04:05:22,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 04:05:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 23521 states and 34754 transitions. [2024-11-28 04:05:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 04:05:22,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:22,283 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:22,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2024-11-28 04:05:22,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:05:22,484 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:05:22,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:22,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1000807617, now seen corresponding path program 1 times [2024-11-28 04:05:22,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:05:22,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072262785] [2024-11-28 04:05:22,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:22,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:05:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:05:22,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951915860] [2024-11-28 04:05:22,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:22,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:05:22,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:05:22,496 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:05:22,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-11-28 04:05:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:22,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-28 04:05:22,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 04:05:25,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 04:05:27,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:05:27,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072262785] [2024-11-28 04:05:27,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:05:27,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951915860] [2024-11-28 04:05:27,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951915860] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:05:27,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:05:27,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2024-11-28 04:05:27,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392497504] [2024-11-28 04:05:27,883 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:05:27,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 04:05:27,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:05:27,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 04:05:27,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=967, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:05:27,885 INFO L87 Difference]: Start difference. First operand 23521 states and 34754 transitions. Second operand has 34 states, 33 states have (on average 6.363636363636363) internal successors, (210), 34 states have internal predecessors, (210), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-28 04:06:32,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:32,960 INFO L93 Difference]: Finished difference Result 24037 states and 35453 transitions. [2024-11-28 04:06:32,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-28 04:06:32,961 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.363636363636363) internal successors, (210), 34 states have internal predecessors, (210), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 8 states have call successors, (14) Word has length 135 [2024-11-28 04:06:32,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:33,000 INFO L225 Difference]: With dead ends: 24037 [2024-11-28 04:06:33,000 INFO L226 Difference]: Without dead ends: 24035 [2024-11-28 04:06:33,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2811 ImplicationChecksByTransitivity, 28.2s TimeCoverageRelationStatistics Valid=1678, Invalid=9032, Unknown=2, NotChecked=0, Total=10712 [2024-11-28 04:06:33,005 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 2006 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 6694 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 7008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 6694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:33,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 2742 Invalid, 7008 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [314 Valid, 6694 Invalid, 0 Unknown, 0 Unchecked, 34.0s Time] [2024-11-28 04:06:33,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24035 states. [2024-11-28 04:06:37,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24035 to 23545. [2024-11-28 04:06:37,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23545 states, 21520 states have (on average 1.4201672862453532) internal successors, (30562), 21569 states have internal predecessors, (30562), 1966 states have call successors, (1966), 9 states have call predecessors, (1966), 9 states have return successors, (1966), 1966 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-28 04:06:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23545 states to 23545 states and 34494 transitions. [2024-11-28 04:06:37,628 INFO L78 Accepts]: Start accepts. Automaton has 23545 states and 34494 transitions. Word has length 135 [2024-11-28 04:06:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:37,629 INFO L471 AbstractCegarLoop]: Abstraction has 23545 states and 34494 transitions. [2024-11-28 04:06:37,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.363636363636363) internal successors, (210), 34 states have internal predecessors, (210), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-28 04:06:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 23545 states and 34494 transitions. [2024-11-28 04:06:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 04:06:37,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:37,630 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:06:37,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Ended with exit code 0 [2024-11-28 04:06:37,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2024-11-28 04:06:37,830 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:06:37,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:37,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2122986639, now seen corresponding path program 1 times [2024-11-28 04:06:37,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:06:37,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913011595] [2024-11-28 04:06:37,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:37,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:06:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:06:37,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:06:37,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913011595] [2024-11-28 04:06:37,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913011595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:06:37,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155322513] [2024-11-28 04:06:37,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:37,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:06:37,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:06:37,951 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:06:37,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-11-28 04:06:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:38,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:06:38,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:06:38,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:06:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:06:38,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155322513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:06:38,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:06:38,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 04:06:38,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112013831] [2024-11-28 04:06:38,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:06:38,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:06:38,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:06:38,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:06:38,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:06:38,515 INFO L87 Difference]: Start difference. First operand 23545 states and 34494 transitions. Second operand has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-28 04:06:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:06:46,536 INFO L93 Difference]: Finished difference Result 35203 states and 51425 transitions. [2024-11-28 04:06:46,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 04:06:46,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 139 [2024-11-28 04:06:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:06:46,593 INFO L225 Difference]: With dead ends: 35203 [2024-11-28 04:06:46,594 INFO L226 Difference]: Without dead ends: 35202 [2024-11-28 04:06:46,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=354, Invalid=906, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 04:06:46,601 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 965 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:06:46,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 1785 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:06:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35202 states. [2024-11-28 04:06:53,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35202 to 33259. [2024-11-28 04:06:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33259 states, 30193 states have (on average 1.4187394429172324) internal successors, (42836), 30242 states have internal predecessors, (42836), 3007 states have call successors, (3007), 9 states have call predecessors, (3007), 9 states have return successors, (3007), 3007 states have call predecessors, (3007), 3007 states have call successors, (3007) [2024-11-28 04:06:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33259 states to 33259 states and 48850 transitions. [2024-11-28 04:06:53,638 INFO L78 Accepts]: Start accepts. Automaton has 33259 states and 48850 transitions. Word has length 139 [2024-11-28 04:06:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:06:53,639 INFO L471 AbstractCegarLoop]: Abstraction has 33259 states and 48850 transitions. [2024-11-28 04:06:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 5 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-28 04:06:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 33259 states and 48850 transitions. [2024-11-28 04:06:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:06:53,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:06:53,640 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:06:53,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Ended with exit code 0 [2024-11-28 04:06:53,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:06:53,841 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:06:53,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:06:53,841 INFO L85 PathProgramCache]: Analyzing trace with hash 318861493, now seen corresponding path program 1 times [2024-11-28 04:06:53,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:06:53,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798173644] [2024-11-28 04:06:53,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:53,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:06:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:06:54,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:06:54,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798173644] [2024-11-28 04:06:54,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798173644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:06:54,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904614687] [2024-11-28 04:06:54,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:06:54,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:06:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:06:54,169 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:06:54,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-11-28 04:06:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:06:54,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:06:54,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:06:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 04:06:54,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:06:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:06:55,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904614687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:06:55,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:06:55,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 16] total 30 [2024-11-28 04:06:55,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141854478] [2024-11-28 04:06:55,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:06:55,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 04:06:55,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:06:55,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 04:06:55,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:06:55,186 INFO L87 Difference]: Start difference. First operand 33259 states and 48850 transitions. Second operand has 30 states, 30 states have (on average 6.833333333333333) internal successors, (205), 30 states have internal predecessors, (205), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-28 04:07:02,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:02,876 INFO L93 Difference]: Finished difference Result 66031 states and 97057 transitions. [2024-11-28 04:07:02,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-28 04:07:02,877 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 6.833333333333333) internal successors, (205), 30 states have internal predecessors, (205), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 146 [2024-11-28 04:07:02,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:02,933 INFO L225 Difference]: With dead ends: 66031 [2024-11-28 04:07:02,933 INFO L226 Difference]: Without dead ends: 33759 [2024-11-28 04:07:02,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=704, Invalid=2836, Unknown=0, NotChecked=0, Total=3540 [2024-11-28 04:07:02,966 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 337 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:02,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1562 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:07:02,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33759 states. [2024-11-28 04:07:10,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33759 to 33584. [2024-11-28 04:07:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33584 states, 30475 states have (on average 1.4146349466776047) internal successors, (43111), 30525 states have internal predecessors, (43111), 3044 states have call successors, (3044), 15 states have call predecessors, (3044), 15 states have return successors, (3044), 3043 states have call predecessors, (3044), 3044 states have call successors, (3044) [2024-11-28 04:07:10,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33584 states to 33584 states and 49199 transitions. [2024-11-28 04:07:10,433 INFO L78 Accepts]: Start accepts. Automaton has 33584 states and 49199 transitions. Word has length 146 [2024-11-28 04:07:10,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:10,433 INFO L471 AbstractCegarLoop]: Abstraction has 33584 states and 49199 transitions. [2024-11-28 04:07:10,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.833333333333333) internal successors, (205), 30 states have internal predecessors, (205), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-28 04:07:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 33584 states and 49199 transitions. [2024-11-28 04:07:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:07:10,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:10,435 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:10,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Ended with exit code 0 [2024-11-28 04:07:10,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:10,636 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:07:10,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:10,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1179309410, now seen corresponding path program 1 times [2024-11-28 04:07:10,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:10,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861304435] [2024-11-28 04:07:10,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:10,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:07:10,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1126919837] [2024-11-28 04:07:10,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:10,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:10,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:10,649 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:10,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2024-11-28 04:07:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:10,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 04:07:10,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-28 04:07:12,682 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:07:25,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:25,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861304435] [2024-11-28 04:07:25,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:07:25,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126919837] [2024-11-28 04:07:25,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126919837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:07:25,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:07:25,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-28 04:07:25,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584538060] [2024-11-28 04:07:25,950 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:07:25,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:07:25,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:25,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:07:25,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=328, Unknown=3, NotChecked=0, Total=420 [2024-11-28 04:07:25,951 INFO L87 Difference]: Start difference. First operand 33584 states and 49199 transitions. Second operand has 15 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:07:35,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:35,549 INFO L93 Difference]: Finished difference Result 39203 states and 56843 transitions. [2024-11-28 04:07:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:07:35,549 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 146 [2024-11-28 04:07:35,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:35,605 INFO L225 Difference]: With dead ends: 39203 [2024-11-28 04:07:35,605 INFO L226 Difference]: Without dead ends: 39202 [2024-11-28 04:07:35,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=186, Invalid=623, Unknown=3, NotChecked=0, Total=812 [2024-11-28 04:07:35,609 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 654 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:35,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 1965 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:07:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39202 states. [2024-11-28 04:07:42,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39202 to 34120. [2024-11-28 04:07:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34120 states, 30967 states have (on average 1.4125036328995382) internal successors, (43741), 31016 states have internal predecessors, (43741), 3088 states have call successors, (3088), 15 states have call predecessors, (3088), 15 states have return successors, (3088), 3088 states have call predecessors, (3088), 3088 states have call successors, (3088) [2024-11-28 04:07:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34120 states to 34120 states and 49917 transitions. [2024-11-28 04:07:42,596 INFO L78 Accepts]: Start accepts. Automaton has 34120 states and 49917 transitions. Word has length 146 [2024-11-28 04:07:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:42,596 INFO L471 AbstractCegarLoop]: Abstraction has 34120 states and 49917 transitions. [2024-11-28 04:07:42,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:07:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 34120 states and 49917 transitions. [2024-11-28 04:07:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 04:07:42,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:42,597 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:42,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Ended with exit code 0 [2024-11-28 04:07:42,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:42,797 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:07:42,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:42,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1332508329, now seen corresponding path program 1 times [2024-11-28 04:07:42,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:42,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214546292] [2024-11-28 04:07:42,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:42,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:07:42,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456286181] [2024-11-28 04:07:42,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:42,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:42,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:42,817 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:42,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2024-11-28 04:07:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:42,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:07:42,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-28 04:07:44,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:07:45,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:45,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214546292] [2024-11-28 04:07:45,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:07:45,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456286181] [2024-11-28 04:07:45,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456286181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:07:45,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:07:45,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 04:07:45,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816568546] [2024-11-28 04:07:45,172 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:07:45,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:07:45,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:45,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:07:45,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:07:45,173 INFO L87 Difference]: Start difference. First operand 34120 states and 49917 transitions. Second operand has 16 states, 15 states have (on average 7.133333333333334) internal successors, (107), 15 states have internal predecessors, (107), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:07:54,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:54,997 INFO L93 Difference]: Finished difference Result 34787 states and 50790 transitions. [2024-11-28 04:07:54,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:07:54,998 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.133333333333334) internal successors, (107), 15 states have internal predecessors, (107), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 148 [2024-11-28 04:07:54,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:55,052 INFO L225 Difference]: With dead ends: 34787 [2024-11-28 04:07:55,052 INFO L226 Difference]: Without dead ends: 34786 [2024-11-28 04:07:55,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=250, Invalid=872, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:07:55,059 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 665 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:55,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 1555 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 04:07:55,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34786 states. [2024-11-28 04:08:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34786 to 34122. [2024-11-28 04:08:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34122 states, 30969 states have (on average 1.4124447027672835) internal successors, (43742), 31018 states have internal predecessors, (43742), 3088 states have call successors, (3088), 15 states have call predecessors, (3088), 15 states have return successors, (3088), 3088 states have call predecessors, (3088), 3088 states have call successors, (3088) [2024-11-28 04:08:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34122 states to 34122 states and 49918 transitions. [2024-11-28 04:08:02,259 INFO L78 Accepts]: Start accepts. Automaton has 34122 states and 49918 transitions. Word has length 148 [2024-11-28 04:08:02,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:02,260 INFO L471 AbstractCegarLoop]: Abstraction has 34122 states and 49918 transitions. [2024-11-28 04:08:02,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.133333333333334) internal successors, (107), 15 states have internal predecessors, (107), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 04:08:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 34122 states and 49918 transitions. [2024-11-28 04:08:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 04:08:02,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:02,260 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:02,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Ended with exit code 0 [2024-11-28 04:08:02,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2024-11-28 04:08:02,461 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:08:02,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash -25657248, now seen corresponding path program 1 times [2024-11-28 04:08:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:02,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243329392] [2024-11-28 04:08:02,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:02,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:08:02,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179747175] [2024-11-28 04:08:02,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:02,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:08:02,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:02,474 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:08:02,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2024-11-28 04:08:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:02,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 04:08:02,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:08:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:08:04,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:08:04,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:04,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243329392] [2024-11-28 04:08:04,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:08:04,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179747175] [2024-11-28 04:08:04,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179747175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:08:04,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:08:04,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 04:08:04,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674522692] [2024-11-28 04:08:04,922 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:08:04,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:08:04,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:04,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:08:04,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:08:04,923 INFO L87 Difference]: Start difference. First operand 34122 states and 49918 transitions. Second operand has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:08:14,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:14,283 INFO L93 Difference]: Finished difference Result 34926 states and 50991 transitions. [2024-11-28 04:08:14,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:08:14,283 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 149 [2024-11-28 04:08:14,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:14,325 INFO L225 Difference]: With dead ends: 34926 [2024-11-28 04:08:14,325 INFO L226 Difference]: Without dead ends: 34925 [2024-11-28 04:08:14,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:08:14,328 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 503 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 1580 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:14,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 987 Invalid, 1612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1580 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 04:08:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34925 states. [2024-11-28 04:08:21,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34925 to 34131. [2024-11-28 04:08:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34131 states, 30978 states have (on average 1.4123248757182516) internal successors, (43751), 31027 states have internal predecessors, (43751), 3088 states have call successors, (3088), 15 states have call predecessors, (3088), 15 states have return successors, (3088), 3088 states have call predecessors, (3088), 3088 states have call successors, (3088) [2024-11-28 04:08:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34131 states to 34131 states and 49927 transitions. [2024-11-28 04:08:21,204 INFO L78 Accepts]: Start accepts. Automaton has 34131 states and 49927 transitions. Word has length 149 [2024-11-28 04:08:21,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:21,205 INFO L471 AbstractCegarLoop]: Abstraction has 34131 states and 49927 transitions. [2024-11-28 04:08:21,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:08:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 34131 states and 49927 transitions. [2024-11-28 04:08:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 04:08:21,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:21,205 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:21,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Ended with exit code 0 [2024-11-28 04:08:21,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2024-11-28 04:08:21,406 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:08:21,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:21,406 INFO L85 PathProgramCache]: Analyzing trace with hash -795374490, now seen corresponding path program 1 times [2024-11-28 04:08:21,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:21,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414461231] [2024-11-28 04:08:21,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:21,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:08:21,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833679102] [2024-11-28 04:08:21,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:21,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:08:21,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:21,419 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:08:21,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2024-11-28 04:08:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:21,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 04:08:21,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:08:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:08:23,905 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:08:25,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:25,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414461231] [2024-11-28 04:08:25,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:08:25,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833679102] [2024-11-28 04:08:25,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833679102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:08:25,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:08:25,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 04:08:25,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540065507] [2024-11-28 04:08:25,992 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:08:25,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:08:25,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:25,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:08:25,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:08:25,992 INFO L87 Difference]: Start difference. First operand 34131 states and 49927 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:08:35,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:35,523 INFO L93 Difference]: Finished difference Result 34923 states and 50990 transitions. [2024-11-28 04:08:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:08:35,524 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 150 [2024-11-28 04:08:35,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:35,591 INFO L225 Difference]: With dead ends: 34923 [2024-11-28 04:08:35,592 INFO L226 Difference]: Without dead ends: 34922 [2024-11-28 04:08:35,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:08:35,600 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 330 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 1783 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:35,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 1224 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1783 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 04:08:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34922 states. [2024-11-28 04:08:42,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34922 to 34132. [2024-11-28 04:08:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34132 states, 30979 states have (on average 1.4123115658994803) internal successors, (43752), 31028 states have internal predecessors, (43752), 3088 states have call successors, (3088), 15 states have call predecessors, (3088), 15 states have return successors, (3088), 3088 states have call predecessors, (3088), 3088 states have call successors, (3088) [2024-11-28 04:08:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34132 states to 34132 states and 49928 transitions. [2024-11-28 04:08:42,894 INFO L78 Accepts]: Start accepts. Automaton has 34132 states and 49928 transitions. Word has length 150 [2024-11-28 04:08:42,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:08:42,894 INFO L471 AbstractCegarLoop]: Abstraction has 34132 states and 49928 transitions. [2024-11-28 04:08:42,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:08:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 34132 states and 49928 transitions. [2024-11-28 04:08:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 04:08:42,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:08:42,895 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:42,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Forceful destruction successful, exit code 0 [2024-11-28 04:08:43,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2024-11-28 04:08:43,096 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:08:43,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:43,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1113194786, now seen corresponding path program 1 times [2024-11-28 04:08:43,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:43,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727085392] [2024-11-28 04:08:43,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:43,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:08:43,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681858166] [2024-11-28 04:08:43,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:43,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:08:43,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:43,121 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:08:43,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2024-11-28 04:08:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:43,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:08:43,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:08:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:08:45,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:08:46,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:46,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727085392] [2024-11-28 04:08:46,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:08:46,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681858166] [2024-11-28 04:08:46,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681858166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:08:46,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:08:46,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 04:08:46,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244761845] [2024-11-28 04:08:46,421 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:08:46,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:08:46,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:46,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:08:46,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:08:46,421 INFO L87 Difference]: Start difference. First operand 34132 states and 49928 transitions. Second operand has 14 states, 13 states have (on average 8.23076923076923) internal successors, (107), 14 states have internal predecessors, (107), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:08:55,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:08:55,114 INFO L93 Difference]: Finished difference Result 35037 states and 51143 transitions. [2024-11-28 04:08:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:08:55,114 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.23076923076923) internal successors, (107), 14 states have internal predecessors, (107), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 151 [2024-11-28 04:08:55,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:08:55,172 INFO L225 Difference]: With dead ends: 35037 [2024-11-28 04:08:55,172 INFO L226 Difference]: Without dead ends: 35035 [2024-11-28 04:08:55,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:08:55,178 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 340 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:08:55,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 906 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:08:55,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35035 states. [2024-11-28 04:09:02,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35035 to 34133. [2024-11-28 04:09:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34133 states, 30980 states have (on average 1.412265978050355) internal successors, (43752), 31029 states have internal predecessors, (43752), 3088 states have call successors, (3088), 15 states have call predecessors, (3088), 15 states have return successors, (3088), 3088 states have call predecessors, (3088), 3088 states have call successors, (3088) [2024-11-28 04:09:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34133 states to 34133 states and 49928 transitions. [2024-11-28 04:09:02,314 INFO L78 Accepts]: Start accepts. Automaton has 34133 states and 49928 transitions. Word has length 151 [2024-11-28 04:09:02,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:09:02,315 INFO L471 AbstractCegarLoop]: Abstraction has 34133 states and 49928 transitions. [2024-11-28 04:09:02,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.23076923076923) internal successors, (107), 14 states have internal predecessors, (107), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:09:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 34133 states and 49928 transitions. [2024-11-28 04:09:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 04:09:02,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:09:02,316 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:02,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Forceful destruction successful, exit code 0 [2024-11-28 04:09:02,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2024-11-28 04:09:02,516 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:09:02,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1281172812, now seen corresponding path program 1 times [2024-11-28 04:09:02,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:02,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020291036] [2024-11-28 04:09:02,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:02,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:09:02,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182210050] [2024-11-28 04:09:02,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:02,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:02,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:02,532 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:02,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2024-11-28 04:09:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:02,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:09:02,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 5 proven. 67 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-28 04:09:03,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:03,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020291036] [2024-11-28 04:09:03,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:09:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182210050] [2024-11-28 04:09:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182210050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:03,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:09:03,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 04:09:03,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458996712] [2024-11-28 04:09:03,802 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:03,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:09:03,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:03,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:09:03,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:09:03,803 INFO L87 Difference]: Start difference. First operand 34133 states and 49928 transitions. Second operand has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:09:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:13,672 INFO L93 Difference]: Finished difference Result 43258 states and 63503 transitions. [2024-11-28 04:09:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:09:13,672 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 153 [2024-11-28 04:09:13,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:09:13,744 INFO L225 Difference]: With dead ends: 43258 [2024-11-28 04:09:13,744 INFO L226 Difference]: Without dead ends: 43254 [2024-11-28 04:09:13,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:09:13,751 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 297 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:09:13,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 859 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:09:13,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43254 states. [2024-11-28 04:09:22,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43254 to 42107. [2024-11-28 04:09:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42107 states, 38070 states have (on average 1.3983714210664566) internal successors, (53236), 38119 states have internal predecessors, (53236), 3972 states have call successors, (3972), 15 states have call predecessors, (3972), 15 states have return successors, (3972), 3972 states have call predecessors, (3972), 3972 states have call successors, (3972) [2024-11-28 04:09:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42107 states to 42107 states and 61180 transitions. [2024-11-28 04:09:23,003 INFO L78 Accepts]: Start accepts. Automaton has 42107 states and 61180 transitions. Word has length 153 [2024-11-28 04:09:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:09:23,004 INFO L471 AbstractCegarLoop]: Abstraction has 42107 states and 61180 transitions. [2024-11-28 04:09:23,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:09:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 42107 states and 61180 transitions. [2024-11-28 04:09:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:09:23,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:09:23,005 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:23,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Ended with exit code 0 [2024-11-28 04:09:23,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2024-11-28 04:09:23,205 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 04:09:23,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:23,206 INFO L85 PathProgramCache]: Analyzing trace with hash 149300200, now seen corresponding path program 1 times [2024-11-28 04:09:23,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:23,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363359038] [2024-11-28 04:09:23,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:23,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:09:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090123148] [2024-11-28 04:09:23,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:23,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:09:23,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:23,218 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:09:23,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444fbfb7-19e3-41bf-b5bd-a571ea3ef04d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2024-11-28 04:09:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:23,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:09:23,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:09:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:09:25,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:09:30,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:30,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363359038] [2024-11-28 04:09:30,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:09:30,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090123148] [2024-11-28 04:09:30,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090123148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:09:30,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:09:30,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 04:09:30,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056751737] [2024-11-28 04:09:30,711 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:09:30,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:09:30,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:30,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:09:30,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=294, Unknown=1, NotChecked=0, Total=380 [2024-11-28 04:09:30,712 INFO L87 Difference]: Start difference. First operand 42107 states and 61180 transitions. Second operand has 14 states, 13 states have (on average 8.307692307692308) internal successors, (108), 14 states have internal predecessors, (108), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:09:41,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:09:41,884 INFO L93 Difference]: Finished difference Result 42377 states and 61499 transitions. [2024-11-28 04:09:41,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:09:41,884 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.307692307692308) internal successors, (108), 14 states have internal predecessors, (108), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 152 [2024-11-28 04:09:41,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:09:41,952 INFO L225 Difference]: With dead ends: 42377 [2024-11-28 04:09:41,952 INFO L226 Difference]: Without dead ends: 42375 [2024-11-28 04:09:41,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=190, Invalid=565, Unknown=1, NotChecked=0, Total=756 [2024-11-28 04:09:41,959 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 290 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:09:41,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1101 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 04:09:41,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42375 states.