./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.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_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/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_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/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_0cd59d5f-0640-41f4-a044-1e2a1925f83c/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 a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:17:11,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:17:11,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:17:11,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:17:11,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:17:11,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:17:11,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:17:11,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:17:11,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:17:11,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:17:11,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:17:11,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:17:11,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:17:11,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:17:11,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:17:11,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:17:11,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:17:11,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:17:11,814 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:11,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:11,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:17:11,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:11,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:11,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:11,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:11,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:17:11,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:17:11,817 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:17:11,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:17:11,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:17:11,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:17:11,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:17:11,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:17:11,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:17:11,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:17:11,818 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_0cd59d5f-0640-41f4-a044-1e2a1925f83c/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 -> a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 [2024-11-28 03:17:12,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:17:12,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:17:12,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:17:12,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:17:12,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:17:12,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-11-28 03:17:15,168 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/data/a780d77b2/2b304762e9964cafafae8cf6bd298298/FLAGe2d44dad6 [2024-11-28 03:17:15,403 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:17:15,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-11-28 03:17:15,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/data/a780d77b2/2b304762e9964cafafae8cf6bd298298/FLAGe2d44dad6 [2024-11-28 03:17:15,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/data/a780d77b2/2b304762e9964cafafae8cf6bd298298 [2024-11-28 03:17:15,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:17:15,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:17:15,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:15,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:17:15,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:17:15,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:15,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3e6d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:15, skipping insertion in model container [2024-11-28 03:17:15,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:15" (1/1) ... [2024-11-28 03:17:15,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:17:15,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:15,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:17:16,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:16,031 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:17:16,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16 WrapperNode [2024-11-28 03:17:16,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:16,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:16,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:17:16,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:17:16,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,090 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 125 [2024-11-28 03:17:16,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:16,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:17:16,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:17:16,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:17:16,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,130 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 03:17:16,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:17:16,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:17:16,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:17:16,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:17:16,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (1/1) ... [2024-11-28 03:17:16,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:16,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:16,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:17:16,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:17:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:17:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:17:16,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:17:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:17:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:17:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:17:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:17:16,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:17:16,301 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:17:16,303 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:17:16,888 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-28 03:17:16,888 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:17:16,904 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:17:16,904 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:17:16,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:16 BoogieIcfgContainer [2024-11-28 03:17:16,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:17:16,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:17:16,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:17:16,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:17:16,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:15" (1/3) ... [2024-11-28 03:17:16,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b962432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:16, skipping insertion in model container [2024-11-28 03:17:16,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16" (2/3) ... [2024-11-28 03:17:16,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b962432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:16, skipping insertion in model container [2024-11-28 03:17:16,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:16" (3/3) ... [2024-11-28 03:17:16,915 INFO L128 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound50.c [2024-11-28 03:17:16,932 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:17:16,933 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-ll_valuebound50.c that has 3 procedures, 191 locations, 1 initial locations, 1 loop locations, and 84 error locations. [2024-11-28 03:17:17,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:17:17,024 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;@63db50b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:17:17,025 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-11-28 03:17:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 99 states have (on average 1.898989898989899) internal successors, (188), 183 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:17:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 03:17:17,038 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:17,039 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:17,039 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:17,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1654584368, now seen corresponding path program 1 times [2024-11-28 03:17:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:17,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106973797] [2024-11-28 03:17:17,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:17,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:17,231 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 03:17:17,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:17,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106973797] [2024-11-28 03:17:17,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106973797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:17,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299733564] [2024-11-28 03:17:17,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:17,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:17,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:17,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:17,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:17:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:17,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:17:17,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:17,299 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 03:17:17,299 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:17:17,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299733564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:17,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:17,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:17:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166438737] [2024-11-28 03:17:17,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:17,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:17:17,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:17,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:17:17,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:17:17,330 INFO L87 Difference]: Start difference. First operand has 191 states, 99 states have (on average 1.898989898989899) internal successors, (188), 183 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 03:17:17,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:17,357 INFO L93 Difference]: Finished difference Result 365 states and 396 transitions. [2024-11-28 03:17:17,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:17:17,359 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 14 [2024-11-28 03:17:17,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:17,366 INFO L225 Difference]: With dead ends: 365 [2024-11-28 03:17:17,366 INFO L226 Difference]: Without dead ends: 171 [2024-11-28 03:17:17,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 03:17:17,372 INFO L435 NwaCegarLoop]: 180 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, 180 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 03:17:17,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:17:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-28 03:17:17,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-28 03:17:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 94 states have (on average 1.7553191489361701) internal successors, (165), 164 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 03:17:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-11-28 03:17:17,431 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 14 [2024-11-28 03:17:17,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:17,431 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-11-28 03:17:17,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 03:17:17,432 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-11-28 03:17:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 03:17:17,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:17,433 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:17,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:17:17,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:17:17,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:17,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:17,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1263404400, now seen corresponding path program 1 times [2024-11-28 03:17:17,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:17,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408461130] [2024-11-28 03:17:17,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:17,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:17,717 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 03:17:17,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:17,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408461130] [2024-11-28 03:17:17,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408461130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:17,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:17,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:17:17,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147296347] [2024-11-28 03:17:17,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:17,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:17,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:17,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:17,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:17,719 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 03:17:18,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:18,281 INFO L93 Difference]: Finished difference Result 307 states and 319 transitions. [2024-11-28 03:17:18,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:18,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 14 [2024-11-28 03:17:18,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:18,284 INFO L225 Difference]: With dead ends: 307 [2024-11-28 03:17:18,284 INFO L226 Difference]: Without dead ends: 251 [2024-11-28 03:17:18,284 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 03:17:18,285 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:18,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:17:18,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-28 03:17:18,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 245. [2024-11-28 03:17:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 167 states have (on average 1.5089820359281436) internal successors, (252), 237 states have internal predecessors, (252), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:17:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 262 transitions. [2024-11-28 03:17:18,302 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 262 transitions. Word has length 14 [2024-11-28 03:17:18,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:18,303 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 262 transitions. [2024-11-28 03:17:18,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 03:17:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2024-11-28 03:17:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:17:18,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:18,304 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 03:17:18,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:17:18,305 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:18,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:18,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1625325516, now seen corresponding path program 1 times [2024-11-28 03:17:18,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:18,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721043737] [2024-11-28 03:17:18,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:18,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:18,467 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 03:17:18,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:18,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721043737] [2024-11-28 03:17:18,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721043737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:18,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:18,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:17:18,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389466905] [2024-11-28 03:17:18,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:18,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:18,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:18,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:18,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:18,469 INFO L87 Difference]: Start difference. First operand 245 states and 262 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 03:17:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:18,580 INFO L93 Difference]: Finished difference Result 264 states and 276 transitions. [2024-11-28 03:17:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:18,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 42 [2024-11-28 03:17:18,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:18,586 INFO L225 Difference]: With dead ends: 264 [2024-11-28 03:17:18,586 INFO L226 Difference]: Without dead ends: 259 [2024-11-28 03:17:18,586 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 03:17:18,587 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:18,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 294 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:17:18,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-28 03:17:18,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 252. [2024-11-28 03:17:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 174 states have (on average 1.4885057471264367) internal successors, (259), 244 states have internal predecessors, (259), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:17:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 269 transitions. [2024-11-28 03:17:18,611 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 269 transitions. Word has length 42 [2024-11-28 03:17:18,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:18,611 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 269 transitions. [2024-11-28 03:17:18,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 03:17:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 269 transitions. [2024-11-28 03:17:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 03:17:18,612 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:18,613 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 03:17:18,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:17:18,613 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:18,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:18,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1430271570, now seen corresponding path program 1 times [2024-11-28 03:17:18,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:18,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937504750] [2024-11-28 03:17:18,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:18,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:18,837 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 03:17:18,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:18,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937504750] [2024-11-28 03:17:18,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937504750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:18,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:18,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367256701] [2024-11-28 03:17:18,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:18,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:17:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:18,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:17:18,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:17:18,840 INFO L87 Difference]: Start difference. First operand 252 states and 269 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 03:17:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:19,099 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions. [2024-11-28 03:17:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:17:19,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 44 [2024-11-28 03:17:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:19,101 INFO L225 Difference]: With dead ends: 263 [2024-11-28 03:17:19,102 INFO L226 Difference]: Without dead ends: 258 [2024-11-28 03:17:19,102 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 03:17:19,104 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 132 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:19,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 231 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:17:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-28 03:17:19,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 252. [2024-11-28 03:17:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 174 states have (on average 1.4597701149425288) internal successors, (254), 244 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:17:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 264 transitions. [2024-11-28 03:17:19,128 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 264 transitions. Word has length 44 [2024-11-28 03:17:19,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:19,128 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 264 transitions. [2024-11-28 03:17:19,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 03:17:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 264 transitions. [2024-11-28 03:17:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-28 03:17:19,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:19,130 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, 1] [2024-11-28 03:17:19,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:17:19,130 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:19,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:19,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1388745603, now seen corresponding path program 1 times [2024-11-28 03:17:19,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:19,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399554760] [2024-11-28 03:17:19,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:19,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:19,255 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 03:17:19,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:19,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399554760] [2024-11-28 03:17:19,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399554760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:19,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:19,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:19,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209987329] [2024-11-28 03:17:19,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:19,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:17:19,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:19,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:17:19,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:17:19,257 INFO L87 Difference]: Start difference. First operand 252 states and 264 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 03:17:19,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:19,803 INFO L93 Difference]: Finished difference Result 262 states and 266 transitions. [2024-11-28 03:17:19,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:17:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 45 [2024-11-28 03:17:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:19,807 INFO L225 Difference]: With dead ends: 262 [2024-11-28 03:17:19,807 INFO L226 Difference]: Without dead ends: 224 [2024-11-28 03:17:19,807 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 03:17:19,808 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 81 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:19,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 265 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:17:19,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-28 03:17:19,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 218. [2024-11-28 03:17:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 140 states have (on average 1.542857142857143) internal successors, (216), 210 states have internal predecessors, (216), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:17:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 226 transitions. [2024-11-28 03:17:19,831 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 226 transitions. Word has length 45 [2024-11-28 03:17:19,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:19,832 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 226 transitions. [2024-11-28 03:17:19,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 03:17:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 226 transitions. [2024-11-28 03:17:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 03:17:19,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:19,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:19,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:17:19,836 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:19,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:19,836 INFO L85 PathProgramCache]: Analyzing trace with hash 249755085, now seen corresponding path program 1 times [2024-11-28 03:17:19,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:19,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120700018] [2024-11-28 03:17:19,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:19,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:20,001 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 03:17:20,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:20,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120700018] [2024-11-28 03:17:20,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120700018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:20,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:20,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:17:20,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125602699] [2024-11-28 03:17:20,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:20,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:20,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:20,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:20,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:20,005 INFO L87 Difference]: Start difference. First operand 218 states and 226 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, (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 03:17:20,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:20,030 INFO L93 Difference]: Finished difference Result 220 states and 226 transitions. [2024-11-28 03:17:20,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:20,031 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, (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 54 [2024-11-28 03:17:20,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:20,032 INFO L225 Difference]: With dead ends: 220 [2024-11-28 03:17:20,032 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 03:17:20,033 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 03:17:20,033 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:20,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:17:20,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 03:17:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-28 03:17:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 140 states have (on average 1.5285714285714285) internal successors, (214), 210 states have internal predecessors, (214), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:17:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 224 transitions. [2024-11-28 03:17:20,048 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 224 transitions. Word has length 54 [2024-11-28 03:17:20,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:20,050 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 224 transitions. [2024-11-28 03:17:20,050 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, (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 03:17:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 224 transitions. [2024-11-28 03:17:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 03:17:20,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:20,052 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:20,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:17:20,053 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:20,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:20,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1717734672, now seen corresponding path program 1 times [2024-11-28 03:17:20,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:20,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834460156] [2024-11-28 03:17:20,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:20,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:20,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1198532452] [2024-11-28 03:17:20,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:20,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:20,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:20,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:20,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:17:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:20,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:17:20,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:20,304 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 03:17:20,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:17:20,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:20,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834460156] [2024-11-28 03:17:20,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:20,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198532452] [2024-11-28 03:17:20,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198532452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:20,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:20,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:20,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986738066] [2024-11-28 03:17:20,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:20,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:17:20,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:20,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:17:20,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:17:20,309 INFO L87 Difference]: Start difference. First operand 218 states and 224 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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 03:17:20,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:20,817 INFO L93 Difference]: Finished difference Result 356 states and 372 transitions. [2024-11-28 03:17:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:17:20,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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 59 [2024-11-28 03:17:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:20,819 INFO L225 Difference]: With dead ends: 356 [2024-11-28 03:17:20,819 INFO L226 Difference]: Without dead ends: 302 [2024-11-28 03:17:20,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:17:20,820 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 89 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:20,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 149 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:17:20,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-28 03:17:20,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2024-11-28 03:17:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 216 states have (on average 1.4074074074074074) internal successors, (304), 286 states have internal predecessors, (304), 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 03:17:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 318 transitions. [2024-11-28 03:17:20,832 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 318 transitions. Word has length 59 [2024-11-28 03:17:20,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:20,833 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 318 transitions. [2024-11-28 03:17:20,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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 03:17:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 318 transitions. [2024-11-28 03:17:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 03:17:20,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:20,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:20,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:17:21,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:17:21,038 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:21,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:21,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1727725002, now seen corresponding path program 1 times [2024-11-28 03:17:21,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:21,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499360843] [2024-11-28 03:17:21,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:21,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:21,180 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 03:17:21,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499360843] [2024-11-28 03:17:21,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499360843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:21,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:21,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:17:21,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071171456] [2024-11-28 03:17:21,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:21,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:17:21,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:21,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:17:21,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:17:21,182 INFO L87 Difference]: Start difference. First operand 296 states and 318 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 03:17:21,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:21,306 INFO L93 Difference]: Finished difference Result 297 states and 318 transitions. [2024-11-28 03:17:21,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:17:21,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 65 [2024-11-28 03:17:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:21,309 INFO L225 Difference]: With dead ends: 297 [2024-11-28 03:17:21,309 INFO L226 Difference]: Without dead ends: 296 [2024-11-28 03:17:21,309 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 03:17:21,310 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 38 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:21,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 278 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:17:21,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-28 03:17:21,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-11-28 03:17:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 216 states have (on average 1.4027777777777777) internal successors, (303), 286 states have internal predecessors, (303), 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 03:17:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 317 transitions. [2024-11-28 03:17:21,329 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 317 transitions. Word has length 65 [2024-11-28 03:17:21,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:21,330 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 317 transitions. [2024-11-28 03:17:21,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 03:17:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 317 transitions. [2024-11-28 03:17:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 03:17:21,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:21,336 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:17:21,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:17:21,336 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:21,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:21,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1980866195, now seen corresponding path program 1 times [2024-11-28 03:17:21,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:21,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894350297] [2024-11-28 03:17:21,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:21,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:21,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941513168] [2024-11-28 03:17:21,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:21,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:21,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:21,368 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:21,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:17:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:21,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:17:21,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 03:17:21,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:17:21,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:21,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894350297] [2024-11-28 03:17:21,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:21,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941513168] [2024-11-28 03:17:21,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941513168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:21,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:21,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:17:21,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144883579] [2024-11-28 03:17:21,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:21,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:17:21,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:21,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:17:21,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:17:21,631 INFO L87 Difference]: Start difference. First operand 296 states and 317 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 03:17:21,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:21,709 INFO L93 Difference]: Finished difference Result 296 states and 317 transitions. [2024-11-28 03:17:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:17:21,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 94 [2024-11-28 03:17:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:21,711 INFO L225 Difference]: With dead ends: 296 [2024-11-28 03:17:21,711 INFO L226 Difference]: Without dead ends: 293 [2024-11-28 03:17:21,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 1 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 03:17:21,712 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 95 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:21,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 158 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:17:21,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-28 03:17:21,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-28 03:17:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 216 states have (on average 1.3796296296296295) internal successors, (298), 283 states have internal predecessors, (298), 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 03:17:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 312 transitions. [2024-11-28 03:17:21,726 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 312 transitions. Word has length 94 [2024-11-28 03:17:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:21,727 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 312 transitions. [2024-11-28 03:17:21,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 03:17:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 312 transitions. [2024-11-28 03:17:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:17:21,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:21,728 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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 03:17:21,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:17:21,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 03:17:21,929 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:21,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:21,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1277310004, now seen corresponding path program 1 times [2024-11-28 03:17:21,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:21,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319031352] [2024-11-28 03:17:21,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:21,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:21,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585699522] [2024-11-28 03:17:21,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:21,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:21,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:21,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:21,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:17:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:22,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:17:22,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:17:22,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:17:22,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:22,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319031352] [2024-11-28 03:17:22,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:22,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585699522] [2024-11-28 03:17:22,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585699522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:17:22,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:17:22,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 03:17:22,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276561029] [2024-11-28 03:17:22,679 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:17:22,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:17:22,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:22,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:17:22,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:17:22,681 INFO L87 Difference]: Start difference. First operand 293 states and 312 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:17:23,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:23,716 INFO L93 Difference]: Finished difference Result 364 states and 379 transitions. [2024-11-28 03:17:23,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:17:23,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 95 [2024-11-28 03:17:23,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:23,720 INFO L225 Difference]: With dead ends: 364 [2024-11-28 03:17:23,720 INFO L226 Difference]: Without dead ends: 357 [2024-11-28 03:17:23,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:23,721 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 285 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:17:23,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 310 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:17:23,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-28 03:17:23,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 330. [2024-11-28 03:17:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 254 states have (on average 1.4015748031496063) internal successors, (356), 320 states have internal predecessors, (356), 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 03:17:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 370 transitions. [2024-11-28 03:17:23,745 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 370 transitions. Word has length 95 [2024-11-28 03:17:23,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:23,746 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 370 transitions. [2024-11-28 03:17:23,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:17:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 370 transitions. [2024-11-28 03:17:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 03:17:23,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:23,748 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:17:23,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:17:23,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:17:23,949 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:17:23,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash 941904565, now seen corresponding path program 1 times [2024-11-28 03:17:23,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:23,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359978844] [2024-11-28 03:17:23,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:17:24,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185235089] [2024-11-28 03:17:24,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:24,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:24,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:24,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:24,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:17:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:24,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:17:24,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:17:24,469 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:17:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:17:25,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:25,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359978844] [2024-11-28 03:17:25,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:17:25,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185235089] [2024-11-28 03:17:25,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185235089] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:25,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:25,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-11-28 03:17:25,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231275111] [2024-11-28 03:17:25,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:25,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:17:25,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:25,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:17:25,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:17:25,798 INFO L87 Difference]: Start difference. First operand 330 states and 370 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 03:17:30,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:17:34,822 WARN L539 Checker$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 03:17:38,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:17:43,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:17:47,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:17:52,262 WARN L539 Checker$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 03:17:56,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:00,902 WARN L539 Checker$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 03:18:04,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:09,054 WARN L539 Checker$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 03:18:13,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:17,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:21,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:25,261 WARN L539 Checker$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 03:18:29,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:33,594 WARN L539 Checker$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 03:18:37,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:41,830 WARN L539 Checker$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 03:18:41,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:41,830 INFO L93 Difference]: Finished difference Result 330 states and 370 transitions. [2024-11-28 03:18:41,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:18:41,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 96 [2024-11-28 03:18:41,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:41,832 INFO L225 Difference]: With dead ends: 330 [2024-11-28 03:18:41,832 INFO L226 Difference]: Without dead ends: 328 [2024-11-28 03:18:41,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:41,833 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 145 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 7 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:41,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 81 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 475 Invalid, 18 Unknown, 0 Unchecked, 76.0s Time] [2024-11-28 03:18:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-28 03:18:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2024-11-28 03:18:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 254 states have (on average 1.3858267716535433) internal successors, (352), 318 states have internal predecessors, (352), 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 03:18:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 366 transitions. [2024-11-28 03:18:41,850 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 366 transitions. Word has length 96 [2024-11-28 03:18:41,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:41,850 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 366 transitions. [2024-11-28 03:18:41,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 03:18:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 366 transitions. [2024-11-28 03:18:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 03:18:41,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:41,852 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:18:41,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:18:42,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:42,053 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:18:42,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash -865729450, now seen corresponding path program 1 times [2024-11-28 03:18:42,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:42,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421547051] [2024-11-28 03:18:42,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:42,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:18:42,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393976766] [2024-11-28 03:18:42,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:42,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:42,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:42,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:18:42,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:18:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:42,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:18:42,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:18:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:18:42,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:18:42,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:42,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421547051] [2024-11-28 03:18:42,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:18:42,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393976766] [2024-11-28 03:18:42,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393976766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:42,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:42,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:18:42,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576114555] [2024-11-28 03:18:42,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:42,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:18:42,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:42,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:18:42,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:42,382 INFO L87 Difference]: Start difference. First operand 328 states and 366 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 03:18:42,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:18:42,784 INFO L93 Difference]: Finished difference Result 328 states and 366 transitions. [2024-11-28 03:18:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:18:42,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 97 [2024-11-28 03:18:42,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:18:42,786 INFO L225 Difference]: With dead ends: 328 [2024-11-28 03:18:42,786 INFO L226 Difference]: Without dead ends: 308 [2024-11-28 03:18:42,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:18:42,787 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 200 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:18:42,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 46 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:18:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-28 03:18:42,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-28 03:18:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 254 states have (on average 1.2677165354330708) internal successors, (322), 298 states have internal predecessors, (322), 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 03:18:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 336 transitions. [2024-11-28 03:18:42,804 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 336 transitions. Word has length 97 [2024-11-28 03:18:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:18:42,804 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 336 transitions. [2024-11-28 03:18:42,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 03:18:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 336 transitions. [2024-11-28 03:18:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 03:18:42,806 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:18:42,806 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:18:42,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:18:43,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:43,007 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:18:43,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:43,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1067809065, now seen corresponding path program 1 times [2024-11-28 03:18:43,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:43,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13352703] [2024-11-28 03:18:43,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:43,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:18:43,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749057826] [2024-11-28 03:18:43,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:18:43,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:18:43,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:18:43,037 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:18:43,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:18:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:43,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:18:43,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:18:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:18:43,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:18:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-28 03:18:43,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13352703] [2024-11-28 03:18:43,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:18:43,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749057826] [2024-11-28 03:18:43,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749057826] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:18:43,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:18:43,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-28 03:18:43,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287628186] [2024-11-28 03:18:43,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:43,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:18:43,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:43,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:18:43,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:18:43,860 INFO L87 Difference]: Start difference. First operand 308 states and 336 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 03:18:49,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:50,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:18:55,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:19:00,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:19:05,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:19:07,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:07,330 INFO L93 Difference]: Finished difference Result 308 states and 336 transitions. [2024-11-28 03:19:07,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:19:07,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 98 [2024-11-28 03:19:07,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:07,332 INFO L225 Difference]: With dead ends: 308 [2024-11-28 03:19:07,332 INFO L226 Difference]: Without dead ends: 306 [2024-11-28 03:19:07,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:19:07,332 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 78 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:07,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 55 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 277 Invalid, 4 Unknown, 0 Unchecked, 23.4s Time] [2024-11-28 03:19:07,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-28 03:19:07,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2024-11-28 03:19:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 254 states have (on average 1.2519685039370079) internal successors, (318), 296 states have internal predecessors, (318), 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 03:19:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 332 transitions. [2024-11-28 03:19:07,348 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 332 transitions. Word has length 98 [2024-11-28 03:19:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:07,349 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 332 transitions. [2024-11-28 03:19:07,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 03:19:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 332 transitions. [2024-11-28 03:19:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 03:19:07,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:07,350 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:19:07,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:07,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:19:07,555 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:07,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1523506668, now seen corresponding path program 1 times [2024-11-28 03:19:07,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:07,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974217436] [2024-11-28 03:19:07,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:19:07,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:07,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974217436] [2024-11-28 03:19:07,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974217436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:07,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158492034] [2024-11-28 03:19:07,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:07,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:07,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:07,777 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:07,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:19:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:07,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:19:07,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:07,994 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:19:07,994 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:19:07,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158492034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:07,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:07,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 03:19:07,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520041239] [2024-11-28 03:19:07,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:07,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:19:07,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:07,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:19:07,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:07,997 INFO L87 Difference]: Start difference. First operand 306 states and 332 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:19:08,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:08,036 INFO L93 Difference]: Finished difference Result 306 states and 332 transitions. [2024-11-28 03:19:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:19:08,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 106 [2024-11-28 03:19:08,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:08,038 INFO L225 Difference]: With dead ends: 306 [2024-11-28 03:19:08,039 INFO L226 Difference]: Without dead ends: 305 [2024-11-28 03:19:08,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 03:19:08,040 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 25 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:08,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 347 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:19:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-28 03:19:08,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-28 03:19:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 254 states have (on average 1.2440944881889764) internal successors, (316), 295 states have internal predecessors, (316), 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 03:19:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 330 transitions. [2024-11-28 03:19:08,058 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 330 transitions. Word has length 106 [2024-11-28 03:19:08,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:08,059 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 330 transitions. [2024-11-28 03:19:08,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:19:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 330 transitions. [2024-11-28 03:19:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:19:08,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:08,061 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:19:08,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:19:08,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 03:19:08,261 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:08,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:08,262 INFO L85 PathProgramCache]: Analyzing trace with hash 15933669, now seen corresponding path program 1 times [2024-11-28 03:19:08,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:08,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721902643] [2024-11-28 03:19:08,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:08,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:19:08,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:08,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721902643] [2024-11-28 03:19:08,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721902643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:08,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239356484] [2024-11-28 03:19:08,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:08,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:08,469 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:08,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:19:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:08,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:19:08,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:19:08,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:19:08,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239356484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:19:08,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:19:08,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 03:19:08,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876809668] [2024-11-28 03:19:08,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:08,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:19:08,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:08,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:19:08,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:19:08,872 INFO L87 Difference]: Start difference. First operand 305 states and 330 transitions. Second operand has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-28 03:19:08,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:08,941 INFO L93 Difference]: Finished difference Result 403 states and 416 transitions. [2024-11-28 03:19:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:08,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 107 [2024-11-28 03:19:08,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:08,944 INFO L225 Difference]: With dead ends: 403 [2024-11-28 03:19:08,944 INFO L226 Difference]: Without dead ends: 402 [2024-11-28 03:19:08,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 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 03:19:08,945 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 51 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:08,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 729 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:19:08,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-28 03:19:08,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 361. [2024-11-28 03:19:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 349 states have internal predecessors, (395), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 03:19:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 413 transitions. [2024-11-28 03:19:08,966 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 413 transitions. Word has length 107 [2024-11-28 03:19:08,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:08,969 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 413 transitions. [2024-11-28 03:19:08,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-28 03:19:08,970 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 413 transitions. [2024-11-28 03:19:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:19:08,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:08,971 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:19:08,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:09,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 03:19:09,172 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:09,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:09,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1000456578, now seen corresponding path program 1 times [2024-11-28 03:19:09,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:09,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035018916] [2024-11-28 03:19:09,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:09,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 03:19:09,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:09,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035018916] [2024-11-28 03:19:09,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035018916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:09,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:09,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:19:09,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251472263] [2024-11-28 03:19:09,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:09,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:19:09,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:09,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:19:09,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:19:09,314 INFO L87 Difference]: Start difference. First operand 361 states and 413 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 03:19:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:09,597 INFO L93 Difference]: Finished difference Result 361 states and 413 transitions. [2024-11-28 03:19:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:09,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 118 [2024-11-28 03:19:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:09,600 INFO L225 Difference]: With dead ends: 361 [2024-11-28 03:19:09,601 INFO L226 Difference]: Without dead ends: 354 [2024-11-28 03:19:09,601 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 03:19:09,602 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 78 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:09,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 53 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:19:09,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-28 03:19:09,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-28 03:19:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 308 states have (on average 1.2370129870129871) internal successors, (381), 342 states have internal predecessors, (381), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 03:19:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 399 transitions. [2024-11-28 03:19:09,626 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 399 transitions. Word has length 118 [2024-11-28 03:19:09,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:09,627 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 399 transitions. [2024-11-28 03:19:09,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 03:19:09,627 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 399 transitions. [2024-11-28 03:19:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:19:09,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:09,628 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:09,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:19:09,628 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:09,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:09,629 INFO L85 PathProgramCache]: Analyzing trace with hash -949382799, now seen corresponding path program 1 times [2024-11-28 03:19:09,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:09,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162025542] [2024-11-28 03:19:09,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:09,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-28 03:19:09,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:09,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162025542] [2024-11-28 03:19:09,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162025542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:09,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:09,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:19:09,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381359375] [2024-11-28 03:19:09,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:09,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:19:09,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:09,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:19:09,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:19:09,747 INFO L87 Difference]: Start difference. First operand 354 states and 399 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 03:19:09,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:09,989 INFO L93 Difference]: Finished difference Result 354 states and 399 transitions. [2024-11-28 03:19:09,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:19:09,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 119 [2024-11-28 03:19:09,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:09,992 INFO L225 Difference]: With dead ends: 354 [2024-11-28 03:19:09,992 INFO L226 Difference]: Without dead ends: 353 [2024-11-28 03:19:09,993 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 03:19:09,993 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 107 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:09,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 40 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:19:09,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-28 03:19:10,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-11-28 03:19:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 308 states have (on average 1.2272727272727273) internal successors, (378), 341 states have internal predecessors, (378), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 03:19:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-11-28 03:19:10,015 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 119 [2024-11-28 03:19:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:10,015 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-11-28 03:19:10,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 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 03:19:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-11-28 03:19:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:19:10,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:10,017 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:10,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:19:10,017 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:10,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:10,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1823801517, now seen corresponding path program 1 times [2024-11-28 03:19:10,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:10,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189480756] [2024-11-28 03:19:10,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:10,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:10,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1038139963] [2024-11-28 03:19:10,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:10,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:10,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:10,050 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:10,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:19:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:10,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:19:10,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:19:10,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 03:19:10,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:10,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189480756] [2024-11-28 03:19:10,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:10,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038139963] [2024-11-28 03:19:10,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038139963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:19:10,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:19:10,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 03:19:10,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665328962] [2024-11-28 03:19:10,596 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:10,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:19:10,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:10,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:19:10,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:10,598 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-28 03:19:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:11,351 INFO L93 Difference]: Finished difference Result 414 states and 449 transitions. [2024-11-28 03:19:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:19:11,352 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 121 [2024-11-28 03:19:11,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:11,353 INFO L225 Difference]: With dead ends: 414 [2024-11-28 03:19:11,353 INFO L226 Difference]: Without dead ends: 384 [2024-11-28 03:19:11,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:19:11,354 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 417 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:11,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 158 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:19:11,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-28 03:19:11,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 337. [2024-11-28 03:19:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 297 states have (on average 1.1683501683501682) internal successors, (347), 326 states have internal predecessors, (347), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:19:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 363 transitions. [2024-11-28 03:19:11,375 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 363 transitions. Word has length 121 [2024-11-28 03:19:11,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:11,376 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 363 transitions. [2024-11-28 03:19:11,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-28 03:19:11,376 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 363 transitions. [2024-11-28 03:19:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:19:11,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:11,378 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:11,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:11,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 03:19:11,582 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:11,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1572312268, now seen corresponding path program 1 times [2024-11-28 03:19:11,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:11,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413408692] [2024-11-28 03:19:11,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:11,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312415614] [2024-11-28 03:19:11,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:11,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:11,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:11,623 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:11,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:19:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:11,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:19:11,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:12,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:12,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:12,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413408692] [2024-11-28 03:19:12,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:12,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312415614] [2024-11-28 03:19:12,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312415614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:12,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:12,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 03:19:12,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633805316] [2024-11-28 03:19:12,584 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:12,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:19:12,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:12,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:19:12,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:12,585 INFO L87 Difference]: Start difference. First operand 337 states and 363 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-28 03:19:12,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:12,925 INFO L93 Difference]: Finished difference Result 337 states and 363 transitions. [2024-11-28 03:19:12,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:12,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 145 [2024-11-28 03:19:12,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:12,928 INFO L225 Difference]: With dead ends: 337 [2024-11-28 03:19:12,928 INFO L226 Difference]: Without dead ends: 323 [2024-11-28 03:19:12,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:19:12,929 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 22 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:12,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 58 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:19:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-28 03:19:12,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 320. [2024-11-28 03:19:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 294 states have (on average 1.098639455782313) internal successors, (323), 309 states have internal predecessors, (323), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:19:12,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 339 transitions. [2024-11-28 03:19:12,973 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 339 transitions. Word has length 145 [2024-11-28 03:19:12,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:12,973 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 339 transitions. [2024-11-28 03:19:12,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-28 03:19:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 339 transitions. [2024-11-28 03:19:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 03:19:12,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:12,976 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:12,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:13,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:13,176 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:13,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:13,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1497040269, now seen corresponding path program 1 times [2024-11-28 03:19:13,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:13,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830512276] [2024-11-28 03:19:13,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:13,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869102605] [2024-11-28 03:19:13,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:13,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:13,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:13,220 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:13,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:19:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:13,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:19:13,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:13,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:14,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:14,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830512276] [2024-11-28 03:19:14,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:14,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869102605] [2024-11-28 03:19:14,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869102605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:14,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:14,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:19:14,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698160510] [2024-11-28 03:19:14,285 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:14,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:14,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:14,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:14,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:14,286 INFO L87 Difference]: Start difference. First operand 320 states and 339 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:19:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:14,729 INFO L93 Difference]: Finished difference Result 358 states and 377 transitions. [2024-11-28 03:19:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:14,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 146 [2024-11-28 03:19:14,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:14,731 INFO L225 Difference]: With dead ends: 358 [2024-11-28 03:19:14,731 INFO L226 Difference]: Without dead ends: 320 [2024-11-28 03:19:14,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:14,732 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:14,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:19:14,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-28 03:19:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2024-11-28 03:19:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 294 states have (on average 1.0952380952380953) internal successors, (322), 309 states have internal predecessors, (322), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:19:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 338 transitions. [2024-11-28 03:19:14,751 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 338 transitions. Word has length 146 [2024-11-28 03:19:14,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:14,751 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 338 transitions. [2024-11-28 03:19:14,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:19:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 338 transitions. [2024-11-28 03:19:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 03:19:14,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:14,754 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:14,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 03:19:14,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:14,958 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:14,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:14,960 INFO L85 PathProgramCache]: Analyzing trace with hash 604183204, now seen corresponding path program 1 times [2024-11-28 03:19:14,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:14,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265453980] [2024-11-28 03:19:14,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:14,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:15,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [896283008] [2024-11-28 03:19:15,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:15,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:15,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:15,011 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:15,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:19:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:15,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:19:15,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:15,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:15,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:15,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265453980] [2024-11-28 03:19:15,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:15,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896283008] [2024-11-28 03:19:15,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896283008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:19:15,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:19:15,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:19:15,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708022809] [2024-11-28 03:19:15,443 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:15,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:15,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:15,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:15,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:15,445 INFO L87 Difference]: Start difference. First operand 320 states and 338 transitions. Second operand has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:19:15,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:15,875 INFO L93 Difference]: Finished difference Result 376 states and 396 transitions. [2024-11-28 03:19:15,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:15,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 165 [2024-11-28 03:19:15,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:15,878 INFO L225 Difference]: With dead ends: 376 [2024-11-28 03:19:15,878 INFO L226 Difference]: Without dead ends: 373 [2024-11-28 03:19:15,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:19:15,879 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 152 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:15,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 92 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:19:15,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-28 03:19:15,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 320. [2024-11-28 03:19:15,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 294 states have (on average 1.0850340136054422) internal successors, (319), 309 states have internal predecessors, (319), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:19:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 335 transitions. [2024-11-28 03:19:15,900 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 335 transitions. Word has length 165 [2024-11-28 03:19:15,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:15,901 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 335 transitions. [2024-11-28 03:19:15,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 03:19:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 335 transitions. [2024-11-28 03:19:15,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 03:19:15,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:15,902 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:15,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:16,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:16,103 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:16,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:16,104 INFO L85 PathProgramCache]: Analyzing trace with hash 799478406, now seen corresponding path program 1 times [2024-11-28 03:19:16,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:16,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385012976] [2024-11-28 03:19:16,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:16,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505179856] [2024-11-28 03:19:16,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:16,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:16,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:16,136 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:16,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 03:19:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:16,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:19:16,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:16,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:17,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:17,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385012976] [2024-11-28 03:19:17,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:17,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505179856] [2024-11-28 03:19:17,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505179856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:19:17,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:19:17,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 03:19:17,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922971446] [2024-11-28 03:19:17,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:17,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:19:17,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:17,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:19:17,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:19:17,033 INFO L87 Difference]: Start difference. First operand 320 states and 335 transitions. Second operand has 10 states, 9 states have (on average 32.0) internal successors, (288), 10 states have internal predecessors, (288), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 03:19:18,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:18,051 INFO L93 Difference]: Finished difference Result 393 states and 414 transitions. [2024-11-28 03:19:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:19:18,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 32.0) internal successors, (288), 10 states have internal predecessors, (288), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 167 [2024-11-28 03:19:18,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:18,058 INFO L225 Difference]: With dead ends: 393 [2024-11-28 03:19:18,058 INFO L226 Difference]: Without dead ends: 382 [2024-11-28 03:19:18,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:19:18,060 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 626 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:18,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 207 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:19:18,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-28 03:19:18,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 307. [2024-11-28 03:19:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 288 states have (on average 1.0451388888888888) internal successors, (301), 296 states have internal predecessors, (301), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:19:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 317 transitions. [2024-11-28 03:19:18,081 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 317 transitions. Word has length 167 [2024-11-28 03:19:18,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:18,082 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 317 transitions. [2024-11-28 03:19:18,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 32.0) internal successors, (288), 10 states have internal predecessors, (288), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 03:19:18,082 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 317 transitions. [2024-11-28 03:19:18,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 03:19:18,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:18,088 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:18,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:18,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:18,288 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:18,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:18,289 INFO L85 PathProgramCache]: Analyzing trace with hash -500393368, now seen corresponding path program 1 times [2024-11-28 03:19:18,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:18,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165880086] [2024-11-28 03:19:18,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:18,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:19:18,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661929750] [2024-11-28 03:19:18,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:18,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:18,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:18,347 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:18,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 03:19:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:18,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:19:18,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:19,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 03:19:19,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:19,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165880086] [2024-11-28 03:19:19,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:19,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661929750] [2024-11-28 03:19:19,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661929750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:19:19,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:19:19,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 03:19:19,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810363739] [2024-11-28 03:19:19,601 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:19:19,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:19:19,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:19,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:19:19,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:19:19,603 INFO L87 Difference]: Start difference. First operand 307 states and 317 transitions. Second operand has 14 states, 13 states have (on average 22.46153846153846) internal successors, (292), 14 states have internal predecessors, (292), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 03:19:21,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:21,501 INFO L93 Difference]: Finished difference Result 546 states and 578 transitions. [2024-11-28 03:19:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:19:21,502 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 22.46153846153846) internal successors, (292), 14 states have internal predecessors, (292), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 169 [2024-11-28 03:19:21,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:21,505 INFO L225 Difference]: With dead ends: 546 [2024-11-28 03:19:21,505 INFO L226 Difference]: Without dead ends: 545 [2024-11-28 03:19:21,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:19:21,506 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 344 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:21,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 210 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 03:19:21,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-28 03:19:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 413. [2024-11-28 03:19:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 392 states have (on average 1.0612244897959184) internal successors, (416), 400 states have internal predecessors, (416), 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 03:19:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 436 transitions. [2024-11-28 03:19:21,539 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 436 transitions. Word has length 169 [2024-11-28 03:19:21,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:21,540 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 436 transitions. [2024-11-28 03:19:21,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 22.46153846153846) internal successors, (292), 14 states have internal predecessors, (292), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 03:19:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 436 transitions. [2024-11-28 03:19:21,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-28 03:19:21,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:21,543 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:21,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 03:19:21,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:21,748 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:21,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:21,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1156962644, now seen corresponding path program 2 times [2024-11-28 03:19:21,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:21,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802484545] [2024-11-28 03:19:21,748 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:19:21,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:21,781 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:19:21,781 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:19:21,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827804405] [2024-11-28 03:19:21,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:19:21,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:21,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:21,787 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:21,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 03:19:21,849 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:19:21,850 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:19:21,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:19:21,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 03:19:22,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:19:22,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:22,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802484545] [2024-11-28 03:19:22,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:19:22,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827804405] [2024-11-28 03:19:22,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827804405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:22,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:22,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:19:22,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044082952] [2024-11-28 03:19:22,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:22,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:19:22,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:22,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:19:22,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:22,701 INFO L87 Difference]: Start difference. First operand 413 states and 436 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 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 03:19:22,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:22,919 INFO L93 Difference]: Finished difference Result 413 states and 436 transitions. [2024-11-28 03:19:22,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:19:22,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 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 198 [2024-11-28 03:19:22,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:22,922 INFO L225 Difference]: With dead ends: 413 [2024-11-28 03:19:22,922 INFO L226 Difference]: Without dead ends: 355 [2024-11-28 03:19:22,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:19:22,923 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 50 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 47 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 03:19:22,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 47 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:19:22,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-28 03:19:22,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-11-28 03:19:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 338 states have (on average 1.0502958579881656) internal successors, (355), 343 states have internal predecessors, (355), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 03:19:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 373 transitions. [2024-11-28 03:19:22,947 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 373 transitions. Word has length 198 [2024-11-28 03:19:22,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:22,947 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 373 transitions. [2024-11-28 03:19:22,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 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 03:19:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 373 transitions. [2024-11-28 03:19:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-28 03:19:22,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:22,949 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:22,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-28 03:19:23,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-28 03:19:23,154 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 03:19:23,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:23,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1553536794, now seen corresponding path program 2 times [2024-11-28 03:19:23,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:23,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242146992] [2024-11-28 03:19:23,155 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:19:23,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:23,200 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:19:23,204 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:19:23,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [330892329] [2024-11-28 03:19:23,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:19:23,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:19:23,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:23,212 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:19:23,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd59d5f-0640-41f4-a044-1e2a1925f83c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 03:19:23,458 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:19:23,458 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:19:23,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:19:23,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 6 proven. 234 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:19:23,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:19:33,100 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* 2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (+ (div (+ .cse0 |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 10))) 30) 307445734561825860)) (not (= (mod (+ .cse0 |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 24) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 20)) 30) 0)))) is different from false [2024-11-28 03:19:38,360 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:20:11,096 WARN L851 $PredicateComparison]: unable to prove that (or (not (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15) |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 24) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 20)) 30) 0)) (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 36) (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 30) (* 2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (* 12 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (+ 307445734561825844 (div (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 15)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 10))) 30)))) is different from false [2024-11-28 03:20:24,388 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:21:50,882 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:25:01,744 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:25:32,521 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:26:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 6 proven. 100 refuted. 0 times theorem prover too weak. 10 trivial. 134 not checked. [2024-11-28 03:26:30,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:26:30,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242146992] [2024-11-28 03:26:30,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:26:30,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330892329] [2024-11-28 03:26:30,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330892329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:26:30,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:26:30,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2024-11-28 03:26:30,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43732596] [2024-11-28 03:26:30,631 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:26:30,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:26:30,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:26:30,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:26:30,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=186, Unknown=3, NotChecked=58, Total=306 [2024-11-28 03:26:30,633 INFO L87 Difference]: Start difference. First operand 355 states and 373 transitions. Second operand has 18 states, 17 states have (on average 21.0) internal successors, (357), 18 states have internal predecessors, (357), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 03:26:42,183 WARN L286 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 69 DAG size of output: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:26:46,187 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 03:26:50,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:26:52,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:26:56,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:00,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:02,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:04,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:07,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:11,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:13,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:17,104 WARN L539 Checker$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 03:27:19,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:23,228 WARN L539 Checker$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 03:27:27,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:31,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:33,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:34,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:39,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:43,293 WARN L539 Checker$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 03:27:45,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:46,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:49,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:53,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:54,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:27:58,944 WARN L539 Checker$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 03:28:01,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:05,145 WARN L539 Checker$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 03:28:06,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:18,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:20,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:24,587 WARN L539 Checker$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 03:28:26,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:29,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:32,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:33,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:35,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:39,671 WARN L539 Checker$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 03:28:42,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:47,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:48,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:50,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:54,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:28:58,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:01,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:05,570 WARN L539 Checker$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 03:29:09,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:11,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:14,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:18,357 WARN L539 Checker$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 03:29:22,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:26,473 WARN L539 Checker$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 03:29:30,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:33,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:38,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:42,127 WARN L539 Checker$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 03:29:47,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:48,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:50,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:51,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:55,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:29:59,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:30:01,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:30:05,456 WARN L539 Checker$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 03:30:09,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:30:14,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:30:18,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:30:22,877 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse10 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse3 (* 2 .cse0)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6))) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 10))) (.cse1 (not (= (mod (+ .cse10 |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 24) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 20)) 30) 0))) (.cse7 (* .cse2 6)) (.cse8 (* |c_ULTIMATE.start_main_~y~0#1| 4)) (.cse9 (* 4 .cse4))) (and (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse0) 307445734561825861) (or .cse1 (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 36) (* .cse2 30) .cse3 (* 12 .cse4)) (+ 307445734561825844 (div (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 15)) .cse5 .cse6) 30)))) (or (< (+ .cse7 .cse8 .cse3 .cse9) (+ (div (+ .cse10 |c_ULTIMATE.start_main_~y~0#1| .cse5 .cse6) 30) 307445734561825860)) .cse1) (< (+ .cse7 |c_ULTIMATE.start_main_~x~0#1| .cse8 .cse0 .cse9) 307445734561825860) (= |c_ULTIMATE.start_main_~x~0#1| 98)))) is different from false [2024-11-28 03:30:26,885 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse3 (* 2 .cse0)) (.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6))) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 10))) (.cse1 (not (= (mod (+ .cse7 |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 24) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 20)) 30) 0)))) (and (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse0) 307445734561825861) (or .cse1 (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 36) (* .cse2 30) .cse3 (* 12 .cse4)) (+ 307445734561825844 (div (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 15)) .cse5 .cse6) 30)))) (or (< (+ (* .cse2 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse3 (* 4 .cse4)) (+ (div (+ .cse7 |c_ULTIMATE.start_main_~y~0#1| .cse5 .cse6) 30) 307445734561825860)) .cse1)))) is different from false [2024-11-28 03:31:16,606 WARN L286 SmtUtils]: Spent 12.58s on a formula simplification. DAG size of input: 58 DAG size of output: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:31:20,742 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 03:31:24,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:31:28,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:31:32,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:31:36,779 WARN L539 Checker$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 03:31:40,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:31:44,791 WARN L539 Checker$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 03:31:48,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:31:52,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:31:56,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:32:00,858 WARN L539 Checker$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 03:32:04,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:32:08,863 WARN L539 Checker$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 03:32:12,865 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 03:32:31,786 WARN L286 SmtUtils]: Spent 16.48s on a formula simplification. DAG size of input: 49 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)