./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.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_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/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_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/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_00f96d8f-d976-49e4-af60-117f80dc671b/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 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:48:00,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:48:00,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:48:00,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:48:00,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:48:00,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:48:00,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:48:00,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:48:00,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:48:00,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:48:00,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:48:00,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:48:00,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:48:00,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:48:00,792 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:48:00,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:48:00,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:48:00,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:48:00,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:48:00,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:48:00,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:48:00,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:48:00,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:48:00,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:48:00,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:48:00,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:48:00,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:48:00,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:48:00,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:48:00,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:48:00,795 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:48:00,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:00,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:00,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:00,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:00,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:48:00,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:00,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:48:00,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:00,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:00,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:48:00,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:48:00,798 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:48:00,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:48:00,798 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:48:00,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:48:00,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:48:00,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:48:00,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:48:00,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:48:00,799 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_00f96d8f-d976-49e4-af60-117f80dc671b/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 -> 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 [2024-11-28 03:48:01,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:48:01,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:48:01,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:48:01,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:48:01,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:48:01,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2024-11-28 03:48:04,544 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/data/8a7e32e3d/da63cf197500469a8f911a5b622efa11/FLAGdf724a98b [2024-11-28 03:48:04,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:48:04,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2024-11-28 03:48:04,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/data/8a7e32e3d/da63cf197500469a8f911a5b622efa11/FLAGdf724a98b [2024-11-28 03:48:05,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/data/8a7e32e3d/da63cf197500469a8f911a5b622efa11 [2024-11-28 03:48:05,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:48:05,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:48:05,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:05,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:48:05,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:48:05,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b59a689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05, skipping insertion in model container [2024-11-28 03:48:05,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:48:05,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:05,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:48:05,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:05,399 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:48:05,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05 WrapperNode [2024-11-28 03:48:05,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:05,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:05,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:48:05,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:48:05,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,431 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-11-28 03:48:05,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:05,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:48:05,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:48:05,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:48:05,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,458 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 03:48:05,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,462 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:48:05,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:48:05,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:48:05,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:48:05,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (1/1) ... [2024-11-28 03:48:05,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:05,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:05,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:48:05,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:48:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:48:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:48:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:48:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:48:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:48:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:48:05,597 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:48:05,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:48:06,050 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-28 03:48:06,050 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:48:06,064 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:48:06,064 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:48:06,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:06 BoogieIcfgContainer [2024-11-28 03:48:06,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:48:06,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:48:06,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:48:06,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:48:06,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:48:05" (1/3) ... [2024-11-28 03:48:06,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b86f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:06, skipping insertion in model container [2024-11-28 03:48:06,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:05" (2/3) ... [2024-11-28 03:48:06,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b86f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:06, skipping insertion in model container [2024-11-28 03:48:06,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:06" (3/3) ... [2024-11-28 03:48:06,076 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound50.c [2024-11-28 03:48:06,095 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:48:06,097 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_unwindbound50.c that has 2 procedures, 142 locations, 1 initial locations, 1 loop locations, and 62 error locations. [2024-11-28 03:48:06,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:48:06,218 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;@57da9924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:48:06,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-28 03:48:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:48:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-28 03:48:06,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:06,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-28 03:48:06,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:06,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:06,241 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-28 03:48:06,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:06,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781798236] [2024-11-28 03:48:06,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:06,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:06,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:06,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781798236] [2024-11-28 03:48:06,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781798236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:06,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:06,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:06,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971439908] [2024-11-28 03:48:06,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:06,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:06,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:06,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:06,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:06,515 INFO L87 Difference]: Start difference. First operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:06,650 INFO L93 Difference]: Finished difference Result 270 states and 294 transitions. [2024-11-28 03:48:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:48:06,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-28 03:48:06,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:06,665 INFO L225 Difference]: With dead ends: 270 [2024-11-28 03:48:06,666 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 03:48:06,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 03:48:06,677 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 132 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:06,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 252 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:48:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 03:48:06,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-28 03:48:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 120 states have internal predecessors, (122), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2024-11-28 03:48:06,793 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2024-11-28 03:48:06,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:06,794 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2024-11-28 03:48:06,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2024-11-28 03:48:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 03:48:06,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:06,795 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:48:06,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:48:06,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:06,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-28 03:48:06,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:06,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669849598] [2024-11-28 03:48:06,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:06,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:06,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:06,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669849598] [2024-11-28 03:48:06,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669849598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:06,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:06,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:06,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576582933] [2024-11-28 03:48:06,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:06,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:06,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:06,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:06,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:06,909 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:06,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:06,982 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2024-11-28 03:48:06,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:48:06,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-28 03:48:06,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:06,985 INFO L225 Difference]: With dead ends: 185 [2024-11-28 03:48:06,985 INFO L226 Difference]: Without dead ends: 128 [2024-11-28 03:48:06,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 03:48:06,986 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 3 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:06,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 362 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:48:06,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-28 03:48:07,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-28 03:48:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 124 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:07,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2024-11-28 03:48:07,013 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 5 [2024-11-28 03:48:07,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:07,013 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2024-11-28 03:48:07,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2024-11-28 03:48:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 03:48:07,014 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:07,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:07,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:48:07,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:07,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:07,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times [2024-11-28 03:48:07,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:07,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404026810] [2024-11-28 03:48:07,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:07,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:07,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:07,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404026810] [2024-11-28 03:48:07,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404026810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:07,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:07,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:07,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870217725] [2024-11-28 03:48:07,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:07,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:07,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:07,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:07,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:07,115 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:07,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:07,334 INFO L93 Difference]: Finished difference Result 233 states and 245 transitions. [2024-11-28 03:48:07,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:07,335 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-28 03:48:07,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:07,337 INFO L225 Difference]: With dead ends: 233 [2024-11-28 03:48:07,337 INFO L226 Difference]: Without dead ends: 222 [2024-11-28 03:48:07,337 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 03:48:07,341 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 92 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:07,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 191 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:48:07,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-28 03:48:07,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-11-28 03:48:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 174 states have internal predecessors, (207), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 03:48:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 215 transitions. [2024-11-28 03:48:07,369 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 215 transitions. Word has length 7 [2024-11-28 03:48:07,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:07,369 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 215 transitions. [2024-11-28 03:48:07,370 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 215 transitions. [2024-11-28 03:48:07,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 03:48:07,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:07,370 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:07,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:48:07,375 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:07,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:07,376 INFO L85 PathProgramCache]: Analyzing trace with hash -441017269, now seen corresponding path program 1 times [2024-11-28 03:48:07,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:07,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975969099] [2024-11-28 03:48:07,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:07,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130749305] [2024-11-28 03:48:07,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:07,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:07,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:07,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:07,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:48:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:07,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:48:07,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:07,524 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:48:07,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:07,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975969099] [2024-11-28 03:48:07,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:07,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130749305] [2024-11-28 03:48:07,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130749305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:07,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:07,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:07,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488576095] [2024-11-28 03:48:07,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:07,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:07,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:07,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:07,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:07,528 INFO L87 Difference]: Start difference. First operand 180 states and 215 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:07,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:07,927 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2024-11-28 03:48:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:07,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-28 03:48:07,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:07,929 INFO L225 Difference]: With dead ends: 213 [2024-11-28 03:48:07,929 INFO L226 Difference]: Without dead ends: 186 [2024-11-28 03:48:07,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 03:48:07,931 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:07,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 102 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:48:07,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-28 03:48:07,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2024-11-28 03:48:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 128 states have (on average 1.46875) internal successors, (188), 178 states have internal predecessors, (188), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 03:48:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 196 transitions. [2024-11-28 03:48:07,945 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 196 transitions. Word has length 10 [2024-11-28 03:48:07,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:07,946 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 196 transitions. [2024-11-28 03:48:07,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 196 transitions. [2024-11-28 03:48:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:48:07,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:07,947 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:07,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:48:08,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:08,148 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:08,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:08,148 INFO L85 PathProgramCache]: Analyzing trace with hash -214514351, now seen corresponding path program 1 times [2024-11-28 03:48:08,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:08,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497626548] [2024-11-28 03:48:08,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:08,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:08,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:08,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497626548] [2024-11-28 03:48:08,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497626548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:08,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:08,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:48:08,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313418640] [2024-11-28 03:48:08,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:08,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:08,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:08,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:08,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:08,291 INFO L87 Difference]: Start difference. First operand 184 states and 196 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:08,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:08,756 INFO L93 Difference]: Finished difference Result 201 states and 207 transitions. [2024-11-28 03:48:08,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:48:08,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 03:48:08,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:08,758 INFO L225 Difference]: With dead ends: 201 [2024-11-28 03:48:08,759 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 03:48:08,759 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 03:48:08,760 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:08,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 203 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:48:08,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 03:48:08,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 156. [2024-11-28 03:48:08,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 151 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:48:08,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2024-11-28 03:48:08,786 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 15 [2024-11-28 03:48:08,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:08,786 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2024-11-28 03:48:08,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:08,787 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2024-11-28 03:48:08,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 03:48:08,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:08,788 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:08,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:48:08,788 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:08,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:08,788 INFO L85 PathProgramCache]: Analyzing trace with hash 691485682, now seen corresponding path program 1 times [2024-11-28 03:48:08,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029341122] [2024-11-28 03:48:08,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:08,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:08,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:08,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:08,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029341122] [2024-11-28 03:48:08,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029341122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:08,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:08,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:08,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689660116] [2024-11-28 03:48:08,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:08,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:08,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:08,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:08,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:08,949 INFO L87 Difference]: Start difference. First operand 156 states and 161 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:08,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:08,976 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2024-11-28 03:48:08,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:08,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-28 03:48:08,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:08,978 INFO L225 Difference]: With dead ends: 158 [2024-11-28 03:48:08,978 INFO L226 Difference]: Without dead ends: 156 [2024-11-28 03:48:08,978 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 03:48:08,979 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:08,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 242 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:48:08,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-28 03:48:08,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-28 03:48:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 151 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:48:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 159 transitions. [2024-11-28 03:48:08,990 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 159 transitions. Word has length 35 [2024-11-28 03:48:08,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:08,992 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 159 transitions. [2024-11-28 03:48:08,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 159 transitions. [2024-11-28 03:48:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 03:48:08,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:08,993 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:08,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:48:08,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:08,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:08,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1371245366, now seen corresponding path program 1 times [2024-11-28 03:48:08,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:08,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076759549] [2024-11-28 03:48:08,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:08,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:09,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158468977] [2024-11-28 03:48:09,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:09,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:09,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:09,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:09,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:48:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:09,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:48:09,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:09,286 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:48:09,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:09,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076759549] [2024-11-28 03:48:09,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:09,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158468977] [2024-11-28 03:48:09,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158468977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:09,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:09,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:48:09,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624138037] [2024-11-28 03:48:09,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:09,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:09,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:09,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:09,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:09,290 INFO L87 Difference]: Start difference. First operand 156 states and 159 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:09,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:09,794 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2024-11-28 03:48:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:48:09,794 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-28 03:48:09,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:09,797 INFO L225 Difference]: With dead ends: 256 [2024-11-28 03:48:09,797 INFO L226 Difference]: Without dead ends: 230 [2024-11-28 03:48:09,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 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 03:48:09,798 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 71 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:09,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 121 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:48:09,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-28 03:48:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 221. [2024-11-28 03:48:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 214 states have internal predecessors, (241), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2024-11-28 03:48:09,824 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 40 [2024-11-28 03:48:09,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:09,824 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2024-11-28 03:48:09,824 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2024-11-28 03:48:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 03:48:09,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:09,827 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:09,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:10,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:48:10,028 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:10,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:10,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1336855546, now seen corresponding path program 1 times [2024-11-28 03:48:10,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:10,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647137374] [2024-11-28 03:48:10,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:10,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:10,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:10,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647137374] [2024-11-28 03:48:10,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647137374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:10,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:10,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:48:10,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811845997] [2024-11-28 03:48:10,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:10,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:10,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:10,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:10,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:10,274 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:10,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:10,427 INFO L93 Difference]: Finished difference Result 222 states and 251 transitions. [2024-11-28 03:48:10,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:10,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-28 03:48:10,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:10,429 INFO L225 Difference]: With dead ends: 222 [2024-11-28 03:48:10,429 INFO L226 Difference]: Without dead ends: 221 [2024-11-28 03:48:10,430 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 03:48:10,434 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:10,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 185 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:48:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-28 03:48:10,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-28 03:48:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4634146341463414) internal successors, (240), 214 states have internal predecessors, (240), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2024-11-28 03:48:10,449 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 43 [2024-11-28 03:48:10,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:10,450 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2024-11-28 03:48:10,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2024-11-28 03:48:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 03:48:10,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:10,452 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:10,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:48:10,456 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:10,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:10,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1507150918, now seen corresponding path program 1 times [2024-11-28 03:48:10,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:10,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163493057] [2024-11-28 03:48:10,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:10,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:10,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163493057] [2024-11-28 03:48:10,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163493057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:10,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:10,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:48:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394369490] [2024-11-28 03:48:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:10,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:10,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:10,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:10,576 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:10,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:10,913 INFO L93 Difference]: Finished difference Result 222 states and 250 transitions. [2024-11-28 03:48:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:48:10,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2024-11-28 03:48:10,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:10,915 INFO L225 Difference]: With dead ends: 222 [2024-11-28 03:48:10,915 INFO L226 Difference]: Without dead ends: 221 [2024-11-28 03:48:10,916 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 03:48:10,917 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 30 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:10,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 210 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:48:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-28 03:48:10,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-28 03:48:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4573170731707317) internal successors, (239), 214 states have internal predecessors, (239), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:10,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2024-11-28 03:48:10,931 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 44 [2024-11-28 03:48:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:10,931 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2024-11-28 03:48:10,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2024-11-28 03:48:10,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 03:48:10,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:10,933 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 03:48:10,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:48:10,934 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:10,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:10,934 INFO L85 PathProgramCache]: Analyzing trace with hash 55150060, now seen corresponding path program 1 times [2024-11-28 03:48:10,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:10,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651231962] [2024-11-28 03:48:10,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:10,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:11,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:11,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651231962] [2024-11-28 03:48:11,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651231962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:11,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381591168] [2024-11-28 03:48:11,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:11,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:11,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:11,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:11,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:48:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:11,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:48:11,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:11,380 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:48:11,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381591168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:11,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:48:11,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 03:48:11,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947681487] [2024-11-28 03:48:11,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:11,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:48:11,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:11,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:48:11,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:48:11,382 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:11,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:11,479 INFO L93 Difference]: Finished difference Result 304 states and 342 transitions. [2024-11-28 03:48:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:48:11,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2024-11-28 03:48:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:11,483 INFO L225 Difference]: With dead ends: 304 [2024-11-28 03:48:11,483 INFO L226 Difference]: Without dead ends: 303 [2024-11-28 03:48:11,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:48:11,487 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 85 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:11,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 564 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:48:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-28 03:48:11,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 238. [2024-11-28 03:48:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 179 states have (on average 1.458100558659218) internal successors, (261), 230 states have internal predecessors, (261), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 03:48:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 275 transitions. [2024-11-28 03:48:11,511 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 275 transitions. Word has length 47 [2024-11-28 03:48:11,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:11,511 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 275 transitions. [2024-11-28 03:48:11,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 275 transitions. [2024-11-28 03:48:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 03:48:11,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:11,513 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:11,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:11,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:11,714 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:11,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:11,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601489, now seen corresponding path program 1 times [2024-11-28 03:48:11,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:11,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477237670] [2024-11-28 03:48:11,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:11,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:11,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769562274] [2024-11-28 03:48:11,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:11,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:11,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:11,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:11,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:48:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:11,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:48:11,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:12,196 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:12,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:12,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477237670] [2024-11-28 03:48:12,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:12,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769562274] [2024-11-28 03:48:12,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769562274] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:12,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:48:12,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-28 03:48:12,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350414954] [2024-11-28 03:48:12,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:12,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:48:12,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:12,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:48:12,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:48:12,518 INFO L87 Difference]: Start difference. First operand 238 states and 275 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:13,701 INFO L93 Difference]: Finished difference Result 280 states and 340 transitions. [2024-11-28 03:48:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:48:13,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-11-28 03:48:13,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:13,705 INFO L225 Difference]: With dead ends: 280 [2024-11-28 03:48:13,706 INFO L226 Difference]: Without dead ends: 277 [2024-11-28 03:48:13,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:48:13,707 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 200 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:13,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 147 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:48:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-28 03:48:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 235. [2024-11-28 03:48:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 179 states have (on average 1.4301675977653632) internal successors, (256), 227 states have internal predecessors, (256), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 03:48:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 270 transitions. [2024-11-28 03:48:13,734 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 270 transitions. Word has length 49 [2024-11-28 03:48:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:13,734 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 270 transitions. [2024-11-28 03:48:13,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 270 transitions. [2024-11-28 03:48:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 03:48:13,735 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:13,740 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] [2024-11-28 03:48:13,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:13,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:13,941 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:13,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601624, now seen corresponding path program 1 times [2024-11-28 03:48:13,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:13,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894477175] [2024-11-28 03:48:13,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:14,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:14,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894477175] [2024-11-28 03:48:14,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894477175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:14,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869462636] [2024-11-28 03:48:14,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:14,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:14,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:14,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:48:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:14,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:48:14,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:14,305 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:14,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869462636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:14,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:48:14,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-28 03:48:14,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954156614] [2024-11-28 03:48:14,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:14,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:48:14,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:14,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:48:14,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:48:14,470 INFO L87 Difference]: Start difference. First operand 235 states and 270 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:48:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:14,680 INFO L93 Difference]: Finished difference Result 472 states and 493 transitions. [2024-11-28 03:48:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:48:14,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2024-11-28 03:48:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:14,686 INFO L225 Difference]: With dead ends: 472 [2024-11-28 03:48:14,686 INFO L226 Difference]: Without dead ends: 390 [2024-11-28 03:48:14,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:48:14,688 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 188 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:14,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 911 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:48:14,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-28 03:48:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 295. [2024-11-28 03:48:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 235 states have (on average 1.4553191489361703) internal successors, (342), 283 states have internal predecessors, (342), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:48:14,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2024-11-28 03:48:14,715 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 49 [2024-11-28 03:48:14,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:14,716 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2024-11-28 03:48:14,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:48:14,716 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2024-11-28 03:48:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-28 03:48:14,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:14,717 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:14,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:48:14,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:14,918 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:14,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:14,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1996994047, now seen corresponding path program 1 times [2024-11-28 03:48:14,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:14,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166275853] [2024-11-28 03:48:14,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:14,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905824498] [2024-11-28 03:48:14,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:14,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:14,958 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:14,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:48:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:15,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:48:15,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:15,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:15,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:15,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166275853] [2024-11-28 03:48:15,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:15,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905824498] [2024-11-28 03:48:15,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905824498] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:15,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:48:15,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 03:48:15,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56708533] [2024-11-28 03:48:15,482 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:15,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:48:15,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:15,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:48:15,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:48:15,484 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:16,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:16,255 INFO L93 Difference]: Finished difference Result 316 states and 364 transitions. [2024-11-28 03:48:16,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:48:16,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-11-28 03:48:16,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:16,260 INFO L225 Difference]: With dead ends: 316 [2024-11-28 03:48:16,260 INFO L226 Difference]: Without dead ends: 304 [2024-11-28 03:48:16,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:48:16,262 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 187 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:16,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 230 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:48:16,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-28 03:48:16,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2024-11-28 03:48:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 236 states have (on average 1.3728813559322033) internal successors, (324), 277 states have internal predecessors, (324), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:48:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 340 transitions. [2024-11-28 03:48:16,291 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 340 transitions. Word has length 50 [2024-11-28 03:48:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:16,292 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 340 transitions. [2024-11-28 03:48:16,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 340 transitions. [2024-11-28 03:48:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-28 03:48:16,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:16,293 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:16,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:48:16,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:16,498 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:16,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:16,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1929656231, now seen corresponding path program 1 times [2024-11-28 03:48:16,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:16,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369663599] [2024-11-28 03:48:16,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:16,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974384599] [2024-11-28 03:48:16,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:16,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:16,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:16,525 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:16,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:48:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:16,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:48:16,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:16,889 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:48:16,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:16,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369663599] [2024-11-28 03:48:16,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:16,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974384599] [2024-11-28 03:48:16,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974384599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:16,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:16,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:48:16,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617953684] [2024-11-28 03:48:16,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:16,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:48:16,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:16,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:48:16,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:48:16,892 INFO L87 Difference]: Start difference. First operand 290 states and 340 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:17,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:17,270 INFO L93 Difference]: Finished difference Result 300 states and 350 transitions. [2024-11-28 03:48:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:48:17,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-28 03:48:17,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:17,273 INFO L225 Difference]: With dead ends: 300 [2024-11-28 03:48:17,273 INFO L226 Difference]: Without dead ends: 229 [2024-11-28 03:48:17,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:48:17,275 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 100 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:17,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 63 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:48:17,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-28 03:48:17,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2024-11-28 03:48:17,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 189 states have (on average 1.1851851851851851) internal successors, (224), 206 states have internal predecessors, (224), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 234 transitions. [2024-11-28 03:48:17,291 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 234 transitions. Word has length 57 [2024-11-28 03:48:17,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:17,292 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 234 transitions. [2024-11-28 03:48:17,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:48:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2024-11-28 03:48:17,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 03:48:17,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:17,294 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] [2024-11-28 03:48:17,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:17,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:17,499 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:17,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:17,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1579444947, now seen corresponding path program 1 times [2024-11-28 03:48:17,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:17,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937040311] [2024-11-28 03:48:17,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:17,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174375297] [2024-11-28 03:48:17,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:17,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:17,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:17,536 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:17,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:48:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:17,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:48:17,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:48:17,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:18,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:18,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937040311] [2024-11-28 03:48:18,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:18,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174375297] [2024-11-28 03:48:18,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174375297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:18,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:48:18,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 03:48:18,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642688333] [2024-11-28 03:48:18,287 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:18,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:48:18,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:18,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:48:18,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:48:18,289 INFO L87 Difference]: Start difference. First operand 217 states and 234 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:18,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:18,544 INFO L93 Difference]: Finished difference Result 217 states and 234 transitions. [2024-11-28 03:48:18,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:48:18,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2024-11-28 03:48:18,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:18,546 INFO L225 Difference]: With dead ends: 217 [2024-11-28 03:48:18,546 INFO L226 Difference]: Without dead ends: 215 [2024-11-28 03:48:18,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 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 03:48:18,547 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 63 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:18,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 48 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:48:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-28 03:48:18,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-28 03:48:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 204 states have internal predecessors, (219), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 229 transitions. [2024-11-28 03:48:18,563 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 229 transitions. Word has length 77 [2024-11-28 03:48:18,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:18,564 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 229 transitions. [2024-11-28 03:48:18,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 229 transitions. [2024-11-28 03:48:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 03:48:18,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:18,565 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] [2024-11-28 03:48:18,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:48:18,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 03:48:18,769 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:18,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:18,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1718153224, now seen corresponding path program 1 times [2024-11-28 03:48:18,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:18,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063537730] [2024-11-28 03:48:18,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:18,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:18,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483852977] [2024-11-28 03:48:18,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:18,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:18,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:18,797 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:18,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:48:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:18,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:48:18,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:48:19,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:19,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:19,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063537730] [2024-11-28 03:48:19,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:19,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483852977] [2024-11-28 03:48:19,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483852977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:19,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:48:19,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:48:19,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609229007] [2024-11-28 03:48:19,399 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:19,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:48:19,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:19,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:48:19,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:48:19,401 INFO L87 Difference]: Start difference. First operand 215 states and 229 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:19,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:19,704 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2024-11-28 03:48:19,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:48:19,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-11-28 03:48:19,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:19,706 INFO L225 Difference]: With dead ends: 224 [2024-11-28 03:48:19,707 INFO L226 Difference]: Without dead ends: 220 [2024-11-28 03:48:19,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 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 03:48:19,708 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:19,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 111 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:48:19,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-28 03:48:19,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-28 03:48:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 194 states have (on average 1.1494845360824741) internal successors, (223), 209 states have internal predecessors, (223), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2024-11-28 03:48:19,722 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 78 [2024-11-28 03:48:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:19,722 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2024-11-28 03:48:19,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2024-11-28 03:48:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 03:48:19,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:19,723 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] [2024-11-28 03:48:19,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:19,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:48:19,924 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:19,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:19,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1917413353, now seen corresponding path program 1 times [2024-11-28 03:48:19,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:19,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789486007] [2024-11-28 03:48:19,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:19,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:19,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094504071] [2024-11-28 03:48:19,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:19,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:19,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:19,957 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:19,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:48:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:20,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:48:20,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:48:20,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:20,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:20,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789486007] [2024-11-28 03:48:20,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:20,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094504071] [2024-11-28 03:48:20,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094504071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:20,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:48:20,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 03:48:20,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222816275] [2024-11-28 03:48:20,595 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:20,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:48:20,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:20,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:48:20,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:48:20,596 INFO L87 Difference]: Start difference. First operand 220 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:20,878 INFO L93 Difference]: Finished difference Result 221 states and 233 transitions. [2024-11-28 03:48:20,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:48:20,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2024-11-28 03:48:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:20,880 INFO L225 Difference]: With dead ends: 221 [2024-11-28 03:48:20,880 INFO L226 Difference]: Without dead ends: 215 [2024-11-28 03:48:20,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:48:20,881 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:20,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:48:20,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-28 03:48:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-28 03:48:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1481481481481481) internal successors, (217), 204 states have internal predecessors, (217), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:20,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 227 transitions. [2024-11-28 03:48:20,896 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 227 transitions. Word has length 81 [2024-11-28 03:48:20,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:20,896 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 227 transitions. [2024-11-28 03:48:20,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:20,896 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2024-11-28 03:48:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 03:48:20,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:20,897 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:20,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 03:48:21,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:48:21,098 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:21,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:21,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1784316206, now seen corresponding path program 1 times [2024-11-28 03:48:21,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:21,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753269360] [2024-11-28 03:48:21,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:21,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:21,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925177145] [2024-11-28 03:48:21,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:21,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:21,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:21,149 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:21,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:48:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:21,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:48:21,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:48:21,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:48:21,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:21,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753269360] [2024-11-28 03:48:21,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:21,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925177145] [2024-11-28 03:48:21,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925177145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:21,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:48:21,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 03:48:21,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393531711] [2024-11-28 03:48:21,605 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:21,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:48:21,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:21,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:48:21,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:48:21,607 INFO L87 Difference]: Start difference. First operand 215 states and 227 transitions. Second operand has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 03:48:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:21,976 INFO L93 Difference]: Finished difference Result 224 states and 235 transitions. [2024-11-28 03:48:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:48:21,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2024-11-28 03:48:21,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:21,979 INFO L225 Difference]: With dead ends: 224 [2024-11-28 03:48:21,979 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 03:48:21,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 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 03:48:21,980 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 140 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:21,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 154 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:48:21,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 03:48:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2024-11-28 03:48:21,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 189 states have (on average 1.1005291005291005) internal successors, (208), 200 states have internal predecessors, (208), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 218 transitions. [2024-11-28 03:48:21,993 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 218 transitions. Word has length 82 [2024-11-28 03:48:21,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:21,994 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 218 transitions. [2024-11-28 03:48:21,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 03:48:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 218 transitions. [2024-11-28 03:48:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 03:48:21,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:21,996 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:48:22,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:22,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 03:48:22,200 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:22,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1105744896, now seen corresponding path program 2 times [2024-11-28 03:48:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949513632] [2024-11-28 03:48:22,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:48:22,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:22,231 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:48:22,231 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:48:22,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123395362] [2024-11-28 03:48:22,233 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:48:22,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:22,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:22,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:22,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:48:22,291 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:48:22,291 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:48:22,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:48:22,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-28 03:48:22,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:48:22,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:22,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949513632] [2024-11-28 03:48:22,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:22,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123395362] [2024-11-28 03:48:22,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123395362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:22,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:22,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:48:22,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835953670] [2024-11-28 03:48:22,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:22,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:22,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:22,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:22,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:22,861 INFO L87 Difference]: Start difference. First operand 211 states and 218 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:22,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:22,994 INFO L93 Difference]: Finished difference Result 213 states and 218 transitions. [2024-11-28 03:48:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:48:22,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2024-11-28 03:48:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:22,996 INFO L225 Difference]: With dead ends: 213 [2024-11-28 03:48:22,997 INFO L226 Difference]: Without dead ends: 204 [2024-11-28 03:48:22,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 117 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 03:48:22,997 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 47 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:22,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 57 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:48:22,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-28 03:48:23,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-28 03:48:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.0765027322404372) internal successors, (197), 193 states have internal predecessors, (197), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 207 transitions. [2024-11-28 03:48:23,011 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 207 transitions. Word has length 120 [2024-11-28 03:48:23,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:23,012 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 207 transitions. [2024-11-28 03:48:23,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:48:23,012 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 207 transitions. [2024-11-28 03:48:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 03:48:23,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:23,013 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-28 03:48:23,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:23,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:23,214 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:23,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:23,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1105743710, now seen corresponding path program 1 times [2024-11-28 03:48:23,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:23,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824751404] [2024-11-28 03:48:23,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:23,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-28 03:48:23,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:23,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824751404] [2024-11-28 03:48:23,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824751404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:23,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355536822] [2024-11-28 03:48:23,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:23,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:23,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:23,362 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:23,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:48:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:23,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:48:23,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:48:23,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:48:23,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355536822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:23,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:48:23,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-28 03:48:23,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748501674] [2024-11-28 03:48:23,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:23,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:48:23,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:23,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:48:23,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:48:23,869 INFO L87 Difference]: Start difference. First operand 204 states and 207 transitions. Second operand has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 03:48:23,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:23,994 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2024-11-28 03:48:23,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:48:23,995 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 120 [2024-11-28 03:48:23,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:23,999 INFO L225 Difference]: With dead ends: 233 [2024-11-28 03:48:23,999 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 03:48:24,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:48:24,003 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 127 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:24,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 269 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:48:24,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 03:48:24,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 203. [2024-11-28 03:48:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 183 states have (on average 1.0655737704918034) internal successors, (195), 192 states have internal predecessors, (195), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2024-11-28 03:48:24,018 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 120 [2024-11-28 03:48:24,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:24,018 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2024-11-28 03:48:24,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 03:48:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2024-11-28 03:48:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 03:48:24,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:24,020 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, 2, 2, 2, 1, 1, 1] [2024-11-28 03:48:24,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 03:48:24,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:24,221 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:24,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash 121560424, now seen corresponding path program 1 times [2024-11-28 03:48:24,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:24,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364604097] [2024-11-28 03:48:24,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:24,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:24,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1077995814] [2024-11-28 03:48:24,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:24,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:24,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:24,260 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:24,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 03:48:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:24,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:48:24,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:48:24,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:24,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:24,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364604097] [2024-11-28 03:48:24,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:24,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077995814] [2024-11-28 03:48:24,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077995814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:24,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:48:24,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 03:48:24,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870462757] [2024-11-28 03:48:24,620 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:24,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:48:24,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:24,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:48:24,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:48:24,621 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:48:24,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:24,870 INFO L93 Difference]: Finished difference Result 234 states and 237 transitions. [2024-11-28 03:48:24,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:48:24,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 126 [2024-11-28 03:48:24,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:24,872 INFO L225 Difference]: With dead ends: 234 [2024-11-28 03:48:24,872 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 03:48:24,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 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 03:48:24,873 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 34 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:24,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 91 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:48:24,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 03:48:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 209. [2024-11-28 03:48:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 189 states have (on average 1.0634920634920635) internal successors, (201), 198 states have internal predecessors, (201), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 211 transitions. [2024-11-28 03:48:24,887 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 211 transitions. Word has length 126 [2024-11-28 03:48:24,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:24,887 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 211 transitions. [2024-11-28 03:48:24,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 03:48:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 211 transitions. [2024-11-28 03:48:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 03:48:24,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:24,889 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, 2, 1, 1, 1] [2024-11-28 03:48:24,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 03:48:25,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 03:48:25,090 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:25,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:25,090 INFO L85 PathProgramCache]: Analyzing trace with hash 855454122, now seen corresponding path program 1 times [2024-11-28 03:48:25,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:25,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380590528] [2024-11-28 03:48:25,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:25,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028248948] [2024-11-28 03:48:25,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:25,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:25,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:25,130 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:25,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 03:48:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:25,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:48:25,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:48:25,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:48:27,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380590528] [2024-11-28 03:48:27,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028248948] [2024-11-28 03:48:27,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028248948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:27,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:48:27,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2024-11-28 03:48:27,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439288194] [2024-11-28 03:48:27,569 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:27,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 03:48:27,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:27,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 03:48:27,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:48:27,571 INFO L87 Difference]: Start difference. First operand 209 states and 211 transitions. Second operand has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:48:32,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:48:35,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:35,254 INFO L93 Difference]: Finished difference Result 226 states and 230 transitions. [2024-11-28 03:48:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:48:35,254 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 128 [2024-11-28 03:48:35,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:35,259 INFO L225 Difference]: With dead ends: 226 [2024-11-28 03:48:35,259 INFO L226 Difference]: Without dead ends: 225 [2024-11-28 03:48:35,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:48:35,261 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 142 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:35,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 216 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 900 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-28 03:48:35,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-28 03:48:35,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 208. [2024-11-28 03:48:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 189 states have (on average 1.052910052910053) internal successors, (199), 197 states have internal predecessors, (199), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 03:48:35,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2024-11-28 03:48:35,277 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 128 [2024-11-28 03:48:35,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:35,278 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2024-11-28 03:48:35,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:48:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2024-11-28 03:48:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:48:35,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:35,280 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-28 03:48:35,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 03:48:35,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 03:48:35,485 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:35,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:35,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1290759183, now seen corresponding path program 2 times [2024-11-28 03:48:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:35,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005451255] [2024-11-28 03:48:35,485 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:48:35,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:35,523 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:48:35,524 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:48:35,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753706527] [2024-11-28 03:48:35,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:48:35,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:35,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:35,531 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:35,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 03:48:35,605 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:48:35,605 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:48:35,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:48:35,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:48:36,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:48:36,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:36,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005451255] [2024-11-28 03:48:36,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:36,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753706527] [2024-11-28 03:48:36,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753706527] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:36,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:48:36,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-28 03:48:36,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905099389] [2024-11-28 03:48:36,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:36,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:48:36,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:36,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:48:36,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:48:36,627 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:48:37,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:37,924 INFO L93 Difference]: Finished difference Result 363 states and 389 transitions. [2024-11-28 03:48:37,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:48:37,925 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 134 [2024-11-28 03:48:37,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:37,927 INFO L225 Difference]: With dead ends: 363 [2024-11-28 03:48:37,927 INFO L226 Difference]: Without dead ends: 360 [2024-11-28 03:48:37,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:48:37,928 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 273 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:37,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 352 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:48:37,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-28 03:48:37,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2024-11-28 03:48:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 304 states have (on average 1.069078947368421) internal successors, (325), 312 states have internal predecessors, (325), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 03:48:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 343 transitions. [2024-11-28 03:48:37,956 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 343 transitions. Word has length 134 [2024-11-28 03:48:37,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:37,956 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 343 transitions. [2024-11-28 03:48:37,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:48:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 343 transitions. [2024-11-28 03:48:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:48:37,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:37,958 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-28 03:48:37,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 03:48:38,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 03:48:38,164 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:38,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:38,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2086443337, now seen corresponding path program 1 times [2024-11-28 03:48:38,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:38,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848566914] [2024-11-28 03:48:38,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:38,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:48:38,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538573223] [2024-11-28 03:48:38,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:38,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:38,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:38,203 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:38,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 03:48:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:38,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:48:38,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:48:38,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:48:39,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848566914] [2024-11-28 03:48:39,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:48:39,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538573223] [2024-11-28 03:48:39,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538573223] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:39,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:48:39,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 03:48:39,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579897373] [2024-11-28 03:48:39,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:39,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:48:39,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:39,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:48:39,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:48:39,012 INFO L87 Difference]: Start difference. First operand 327 states and 343 transitions. Second operand has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:48:40,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:40,058 INFO L93 Difference]: Finished difference Result 429 states and 460 transitions. [2024-11-28 03:48:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:48:40,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 140 [2024-11-28 03:48:40,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:40,062 INFO L225 Difference]: With dead ends: 429 [2024-11-28 03:48:40,062 INFO L226 Difference]: Without dead ends: 388 [2024-11-28 03:48:40,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:48:40,063 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 262 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:40,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 282 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:48:40,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-28 03:48:40,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 376. [2024-11-28 03:48:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 352 states have (on average 1.0482954545454546) internal successors, (369), 360 states have internal predecessors, (369), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:48:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 389 transitions. [2024-11-28 03:48:40,098 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 389 transitions. Word has length 140 [2024-11-28 03:48:40,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:40,098 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 389 transitions. [2024-11-28 03:48:40,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 03:48:40,098 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 389 transitions. [2024-11-28 03:48:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-28 03:48:40,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:40,101 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-28 03:48:40,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-28 03:48:40,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-28 03:48:40,301 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:40,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:40,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1296361333, now seen corresponding path program 1 times [2024-11-28 03:48:40,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:40,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390695217] [2024-11-28 03:48:40,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:40,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:48:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390695217] [2024-11-28 03:48:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390695217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:48:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107310739] [2024-11-28 03:48:40,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:40,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:40,788 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:40,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 03:48:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:40,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:48:40,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:41,154 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 03:48:41,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107310739] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:48:41,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:48:41,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-28 03:48:41,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914856123] [2024-11-28 03:48:41,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:48:41,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:48:41,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:41,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:48:41,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:48:41,600 INFO L87 Difference]: Start difference. First operand 376 states and 389 transitions. Second operand has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-28 03:48:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:48:42,123 INFO L93 Difference]: Finished difference Result 498 states and 507 transitions. [2024-11-28 03:48:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 03:48:42,124 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 176 [2024-11-28 03:48:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:48:42,126 INFO L225 Difference]: With dead ends: 498 [2024-11-28 03:48:42,126 INFO L226 Difference]: Without dead ends: 460 [2024-11-28 03:48:42,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2024-11-28 03:48:42,128 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 136 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:48:42,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 738 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:48:42,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-28 03:48:42,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2024-11-28 03:48:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 423 states have (on average 1.0354609929078014) internal successors, (438), 431 states have internal predecessors, (438), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:48:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 460 transitions. [2024-11-28 03:48:42,171 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 460 transitions. Word has length 176 [2024-11-28 03:48:42,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:48:42,171 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 460 transitions. [2024-11-28 03:48:42,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-28 03:48:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 460 transitions. [2024-11-28 03:48:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-28 03:48:42,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:48:42,180 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-28 03:48:42,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 03:48:42,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 03:48:42,385 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 03:48:42,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:42,386 INFO L85 PathProgramCache]: Analyzing trace with hash 519938001, now seen corresponding path program 3 times [2024-11-28 03:48:42,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:42,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506841066] [2024-11-28 03:48:42,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:48:42,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:42,459 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-28 03:48:42,460 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:48:42,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1557233372] [2024-11-28 03:48:42,462 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:48:42,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:48:42,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:42,465 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:48:42,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f96d8f-d976-49e4-af60-117f80dc671b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 03:48:45,712 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-28 03:48:45,712 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:48:45,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-28 03:48:45,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:48:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 840 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:48:46,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:48:57,099 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2))) (or (< (+ (* .cse0 30) (* |c_ULTIMATE.start_main_~y~0#1| 90) (* 5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (+ 2305843009213693852 (div (+ .cse1 (* (- 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|) (* (- 1) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) 4))) (< 4611686018427387894 (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 6))) (not (= (mod (+ .cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3) (* |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| 3)) 4) 0)))) is different from false [2024-11-28 03:53:07,163 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:55:58,942 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:56:25,632 WARN L286 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:57:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 804 refuted. 0 times theorem prover too weak. 66 trivial. 36 not checked. [2024-11-28 03:57:18,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:18,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506841066] [2024-11-28 03:57:18,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:57:18,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557233372] [2024-11-28 03:57:18,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557233372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:57:18,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:57:18,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 32 [2024-11-28 03:57:18,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170364056] [2024-11-28 03:57:18,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:57:18,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-28 03:57:18,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:18,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-28 03:57:18,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=750, Unknown=1, NotChecked=60, Total=1056 [2024-11-28 03:57:18,359 INFO L87 Difference]: Start difference. First operand 454 states and 460 transitions. Second operand has 33 states, 32 states have (on average 16.90625) internal successors, (541), 33 states have internal predecessors, (541), 14 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:57:51,850 WARN L286 SmtUtils]: Spent 15.22s on a formula simplification. DAG size of input: 86 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:57:55,896 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 03:57:59,962 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2)) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse4 (* (- 1) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* 5 .cse6)) (.cse3 (* (- 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|)) (.cse5 (not (= (mod (+ .cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3) (* |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| 3)) 4) 0)))) (and (<= |c_ULTIMATE.start_main_~x~0#1| 784) (or (< (+ (* .cse0 30) (* |c_ULTIMATE.start_main_~y~0#1| 90) .cse1) (+ 2305843009213693852 (div (+ .cse2 .cse3 .cse4) 4))) (< 4611686018427387894 (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 6))) .cse5) (or (< 4611686018427387887 (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 8))) (< (+ (* .cse0 45) (* |c_ULTIMATE.start_main_~y~0#1| 165) .cse1) (+ (div (+ .cse3 .cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 4) 2305843009213693727)) .cse5) (or (< 4611686018427387878 (+ (* |c_ULTIMATE.start_main_~y~0#1| 10) .cse0)) (< (+ (* .cse0 60) .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 273)) (+ 2305843009213693511 (div (+ (* |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| (- 13)) .cse3) 4))) .cse5) (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse6) 2305843009213693952)))) is different from false [2024-11-28 03:58:51,401 WARN L286 SmtUtils]: Spent 20.37s on a formula simplification. DAG size of input: 119 DAG size of output: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:58:55,424 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse20 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse10 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2)) (.cse21 (* |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|)) (.cse5 (* 2 .cse20)) (.cse22 (* |c_ULTIMATE.start_main_~x~0#1| 4)) (.cse14 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse0 (* .cse14 30)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| 90)) (.cse3 (< 4611686018427387894 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 6)))) (.cse12 (* (- 1) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse7 (* .cse14 9)) (.cse8 (< 4611686018427387902 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 2)))) (.cse15 (not (= (+ .cse14 .cse21) (+ .cse5 .cse22)))) (.cse1 (* 4 .cse20)) (.cse9 (* 5 .cse20)) (.cse11 (* (- 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|)) (.cse13 (not (= (mod (+ .cse10 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3) (* |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| 3)) 4) 0))) (.cse17 (< 4611686018427387899 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 4)))) (.cse18 (* .cse14 18)) (.cse16 (* 3 .cse20)) (.cse19 (* |c_ULTIMATE.start_main_~y~0#1| 42)) (.cse4 (not (= (+ .cse5 .cse14 .cse21) .cse22)))) (and (or (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse0 .cse1 .cse2) 2305843009213693852) .cse3 .cse4) (or (< (+ .cse5 .cse6 |c_ULTIMATE.start_main_~x~0#1| .cse7) 2305843009213693943) .cse8 .cse4) (or (< (+ .cse0 .cse2 .cse9) (+ 2305843009213693852 (div (+ .cse10 .cse11 .cse12) 4))) .cse3 .cse13) (or (< 4611686018427387903 .cse14) .cse15 (< (+ .cse5 |c_ULTIMATE.start_main_~x~0#1| (* .cse14 3) (* |c_ULTIMATE.start_main_~y~0#1| 3)) 2305843009213693951)) (or (< 4611686018427387887 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 8))) (< (+ (* .cse14 45) (* |c_ULTIMATE.start_main_~y~0#1| 165) .cse9) (+ (div (+ .cse11 .cse12 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 4) 2305843009213693727)) .cse13) (or .cse15 (< (+ .cse6 |c_ULTIMATE.start_main_~x~0#1| .cse7 .cse16) 2305843009213693943) .cse8) (or .cse17 .cse15 (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse18 .cse1 .cse19) 2305843009213693916)) (or (< 4611686018427387878 (+ (* |c_ULTIMATE.start_main_~y~0#1| 10) .cse14)) (< (+ (* .cse14 60) .cse9 (* |c_ULTIMATE.start_main_~y~0#1| 273)) (+ 2305843009213693511 (div (+ (* |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| (- 13)) .cse11) 4))) .cse13) (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse20) 2305843009213693952) (or .cse17 (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse18 .cse16 .cse19) 2305843009213693916) .cse4))))) is different from false [2024-11-28 03:58:59,477 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 03:59:03,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:59:07,523 WARN L539 Checker$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 03:59:11,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:59:15,529 WARN L539 Checker$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 03:59:18,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:59:19,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:12,400 WARN L286 SmtUtils]: Spent 21.03s on a formula simplification. DAG size of input: 126 DAG size of output: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:00:16,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:20,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:21,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:24,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:28,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:32,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:33,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:36,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:41,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:45,012 WARN L539 Checker$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 04:00:47,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:48,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:52,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:54,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:00:56,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:00,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:04,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:08,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:12,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:17,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:18,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:22,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:23,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:27,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:31,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:01:32,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:02:03,378 WARN L286 SmtUtils]: Spent 16.92s on a formula simplification. DAG size of input: 125 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:02:06,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:02:10,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:02:14,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:02:18,464 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse16 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse10 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2)) (.cse5 (* 2 .cse16)) (.cse14 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse17 (* |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|)) (.cse18 (* |c_ULTIMATE.start_main_~x~0#1| 4))) (let ((.cse4 (not (= (+ .cse5 .cse14 .cse17) .cse18))) (.cse0 (* .cse14 30)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| 90)) (.cse3 (< 4611686018427387894 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 6)))) (.cse9 (* 5 .cse16)) (.cse11 (* (- 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|)) (.cse12 (* (- 1) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse13 (not (= (mod (+ .cse10 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3) (* |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| 3)) 4) 0))) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse7 (* .cse14 9)) (.cse8 (< 4611686018427387902 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 2)))) (.cse15 (not (= (+ .cse14 .cse17) (+ .cse5 .cse18)))) (.cse1 (* 4 .cse16))) (and (or (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse0 .cse1 .cse2) 2305843009213693852) .cse3 .cse4) (<= |c_ULTIMATE.start_main_~x~0#1| 2305843009213693951) (or (< (+ .cse5 .cse6 |c_ULTIMATE.start_main_~x~0#1| .cse7) 2305843009213693943) .cse8 .cse4) (or (< (+ .cse0 .cse2 .cse9) (+ 2305843009213693852 (div (+ .cse10 .cse11 .cse12) 4))) .cse3 .cse13) (or (< 4611686018427387903 .cse14) .cse15 (< (+ .cse5 |c_ULTIMATE.start_main_~x~0#1| (* .cse14 3) (* |c_ULTIMATE.start_main_~y~0#1| 3)) 2305843009213693951)) (or (< 4611686018427387887 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 8))) (< (+ (* .cse14 45) (* |c_ULTIMATE.start_main_~y~0#1| 165) .cse9) (+ (div (+ .cse11 .cse12 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 4) 2305843009213693727)) .cse13) (or .cse15 (< (+ .cse6 |c_ULTIMATE.start_main_~x~0#1| .cse7 (* 3 .cse16)) 2305843009213693943) .cse8) (or (< 4611686018427387899 (+ .cse14 (* |c_ULTIMATE.start_main_~y~0#1| 4))) .cse15 (< (+ |c_ULTIMATE.start_main_~x~0#1| (* .cse14 18) .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 42)) 2305843009213693916)) (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse16) 2305843009213693952))))) is different from false [2024-11-28 04:02:22,488 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse7 (* 2 .cse8)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2))) (let ((.cse1 (* 5 .cse8)) (.cse3 (* (- 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|)) (.cse4 (* (- 1) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse5 (not (= (mod (+ .cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3) (* |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| 3)) 4) 0))) (.cse6 (not (= (+ .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|)) (+ .cse7 (* |c_ULTIMATE.start_main_~x~0#1| 4)))))) (and (or (< (+ (* .cse0 30) (* |c_ULTIMATE.start_main_~y~0#1| 90) .cse1) (+ 2305843009213693852 (div (+ .cse2 .cse3 .cse4) 4))) (< 4611686018427387894 (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 6))) .cse5) (or (< 4611686018427387903 .cse0) .cse6 (< (+ .cse7 |c_ULTIMATE.start_main_~x~0#1| (* .cse0 3) (* |c_ULTIMATE.start_main_~y~0#1| 3)) 2305843009213693951)) (or (< 4611686018427387887 (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 8))) (< (+ (* .cse0 45) (* |c_ULTIMATE.start_main_~y~0#1| 165) .cse1) (+ (div (+ .cse3 .cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 4) 2305843009213693727)) .cse5) (or .cse6 (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 15) |c_ULTIMATE.start_main_~x~0#1| (* .cse0 9) (* 3 .cse8)) 2305843009213693943) (< 4611686018427387902 (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 2)))) (or (< 4611686018427387899 (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 4))) .cse6 (< (+ |c_ULTIMATE.start_main_~x~0#1| (* .cse0 18) (* 4 .cse8) (* |c_ULTIMATE.start_main_~y~0#1| 42)) 2305843009213693916)) (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse8) 2305843009213693952))))) is different from false [2024-11-28 04:02:51,015 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification. DAG size of input: 93 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:03:16,428 WARN L286 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 105 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:03:19,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []