./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b03bd7cf Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea --- Real Ultimate output --- This is Ultimate 0.2.5-dev-b03bd7c-m [2024-10-29 04:05:54,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 04:05:54,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-10-29 04:05:54,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 04:05:54,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 04:05:54,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 04:05:54,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 04:05:54,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 04:05:54,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 04:05:54,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 04:05:54,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 04:05:54,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 04:05:54,733 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 04:05:54,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 04:05:54,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 04:05:54,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 04:05:54,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 04:05:54,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 04:05:54,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 04:05:54,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 04:05:54,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 04:05:54,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 04:05:54,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 04:05:54,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-29 04:05:54,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 04:05:54,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 04:05:54,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 04:05:54,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 04:05:54,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 04:05:54,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 04:05:54,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-29 04:05:54,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 04:05:54,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-29 04:05:54,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 04:05:54,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 04:05:54,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 04:05:54,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 04:05:54,744 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-29 04:05:54,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 04:05:54,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 04:05:54,744 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-29 04:05:54,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-29 04:05:54,745 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-29 04:05:54,745 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-29 04:05:54,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea [2024-10-29 04:05:54,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 04:05:54,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 04:05:54,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 04:05:54,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 04:05:54,962 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 04:05:54,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-10-29 04:05:56,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 04:05:56,331 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 04:05:56,332 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-10-29 04:05:56,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f52fbbfad/2bbf6479df0d4385b7ce5983dfe1a9ac/FLAGb105b0d33 [2024-10-29 04:05:56,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f52fbbfad/2bbf6479df0d4385b7ce5983dfe1a9ac [2024-10-29 04:05:56,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 04:05:56,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-29 04:05:56,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 04:05:56,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 04:05:56,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 04:05:56,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:56" (1/1) ... [2024-10-29 04:05:56,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112e9f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:56, skipping insertion in model container [2024-10-29 04:05:56,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:56" (1/1) ... [2024-10-29 04:05:56,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 04:05:56,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 04:05:56,979 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 04:05:57,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 04:05:57,018 INFO L204 MainTranslator]: Completed translation [2024-10-29 04:05:57,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57 WrapperNode [2024-10-29 04:05:57,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 04:05:57,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 04:05:57,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 04:05:57,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 04:05:57,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,063 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 29, calls inlined = 35, statements flattened = 435 [2024-10-29 04:05:57,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 04:05:57,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 04:05:57,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 04:05:57,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 04:05:57,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 04:05:57,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 04:05:57,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 04:05:57,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 04:05:57,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (1/1) ... [2024-10-29 04:05:57,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-29 04:05:57,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:05:57,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-29 04:05:57,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-29 04:05:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 04:05:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-29 04:05:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 04:05:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-29 04:05:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-29 04:05:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-29 04:05:57,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-29 04:05:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-29 04:05:57,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-29 04:05:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-29 04:05:57,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-29 04:05:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 04:05:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-29 04:05:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-29 04:05:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-29 04:05:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 04:05:57,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 04:05:57,179 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 04:05:57,287 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 04:05:57,289 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 04:05:57,869 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 04:05:57,870 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 04:05:58,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 04:05:58,282 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-10-29 04:05:58,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:58 BoogieIcfgContainer [2024-10-29 04:05:58,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 04:05:58,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 04:05:58,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 04:05:58,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 04:05:58,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:05:56" (1/3) ... [2024-10-29 04:05:58,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9bf463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:05:58, skipping insertion in model container [2024-10-29 04:05:58,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:57" (2/3) ... [2024-10-29 04:05:58,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9bf463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:05:58, skipping insertion in model container [2024-10-29 04:05:58,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:58" (3/3) ... [2024-10-29 04:05:58,290 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr.c [2024-10-29 04:05:58,304 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 04:05:58,304 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-29 04:05:58,304 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 04:05:58,376 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-29 04:05:58,418 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 04:05:58,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-29 04:05:58,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:05:58,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-29 04:05:58,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-29 04:05:58,450 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-29 04:05:58,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2024-10-29 04:05:58,464 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=PARTIAL_ORDER_FA, 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;@430125d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 04:05:58,464 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-29 04:05:58,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:05:58,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:05:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1387675607, now seen corresponding path program 1 times [2024-10-29 04:05:58,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:05:58,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305314122] [2024-10-29 04:05:58,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:05:58,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:05:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:05:59,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 04:05:59,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:05:59,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305314122] [2024-10-29 04:05:59,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305314122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:05:59,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:05:59,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 04:05:59,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252872390] [2024-10-29 04:05:59,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:05:59,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 04:05:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:05:59,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 04:05:59,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 04:05:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:05:59,353 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:05:59,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-10-29 04:05:59,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:00,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 04:06:00,146 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:00,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:00,147 INFO L85 PathProgramCache]: Analyzing trace with hash 2123706241, now seen corresponding path program 1 times [2024-10-29 04:06:00,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:00,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502394116] [2024-10-29 04:06:00,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:00,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 04:06:00,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:00,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502394116] [2024-10-29 04:06:00,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502394116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:00,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:00,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 04:06:00,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395938628] [2024-10-29 04:06:00,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:00,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:06:00,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:00,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:06:00,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-29 04:06:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:00,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:00,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-10-29 04:06:00,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:00,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:00,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 04:06:00,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:00,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash 2003638960, now seen corresponding path program 1 times [2024-10-29 04:06:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:00,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281488663] [2024-10-29 04:06:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:00,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-29 04:06:00,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:00,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281488663] [2024-10-29 04:06:00,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281488663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:00,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:00,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 04:06:00,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147006020] [2024-10-29 04:06:00,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:00,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:06:00,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:00,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:06:00,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-29 04:06:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:00,916 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:00,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-29 04:06:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:00,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:00,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:01,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:01,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:01,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 04:06:01,035 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:01,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash 157263924, now seen corresponding path program 1 times [2024-10-29 04:06:01,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:01,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186314315] [2024-10-29 04:06:01,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:01,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-29 04:06:01,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:01,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186314315] [2024-10-29 04:06:01,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186314315] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:01,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:01,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 04:06:01,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247665604] [2024-10-29 04:06:01,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:01,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:06:01,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:01,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:06:01,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-29 04:06:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:01,165 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:01,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-29 04:06:01,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:01,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:01,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:01,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:02,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 04:06:02,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:02,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:02,112 INFO L85 PathProgramCache]: Analyzing trace with hash 883909049, now seen corresponding path program 1 times [2024-10-29 04:06:02,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:02,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110895157] [2024-10-29 04:06:02,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:02,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:02,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:02,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110895157] [2024-10-29 04:06:02,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110895157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:02,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:02,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 04:06:02,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109112364] [2024-10-29 04:06:02,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:02,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 04:06:02,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:02,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 04:06:02,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-29 04:06:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:02,344 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:02,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-10-29 04:06:02,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:02,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:03,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 04:06:03,208 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:03,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash 343065238, now seen corresponding path program 1 times [2024-10-29 04:06:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:03,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023505161] [2024-10-29 04:06:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:03,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:03,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:03,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023505161] [2024-10-29 04:06:03,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023505161] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:03,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090962177] [2024-10-29 04:06:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:03,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:03,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:03,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-29 04:06:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:03,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-29 04:06:03,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:03,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:03,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090962177] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:03,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-29 04:06:03,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 13 [2024-10-29 04:06:03,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433624252] [2024-10-29 04:06:03,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:03,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-29 04:06:03,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:03,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-29 04:06:03,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-29 04:06:03,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:03,761 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:03,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-10-29 04:06:03,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:03,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:03,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:03,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:03,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-29 04:06:04,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-29 04:06:04,081 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:04,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:04,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1303338187, now seen corresponding path program 1 times [2024-10-29 04:06:04,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:04,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106801650] [2024-10-29 04:06:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:04,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:04,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:04,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106801650] [2024-10-29 04:06:04,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106801650] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:04,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379659382] [2024-10-29 04:06:04,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:04,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:04,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:04,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:04,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-29 04:06:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:04,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-29 04:06:04,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-29 04:06:04,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-29 04:06:04,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379659382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:04,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-29 04:06:04,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [6] total 7 [2024-10-29 04:06:04,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374203175] [2024-10-29 04:06:04,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:04,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 04:06:04,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:04,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 04:06:04,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-29 04:06:04,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:04,586 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:04,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2024-10-29 04:06:04,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:04,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:04,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:04,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:04,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-29 04:06:04,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:04,862 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:04,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:04,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1303338189, now seen corresponding path program 1 times [2024-10-29 04:06:04,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:04,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768902590] [2024-10-29 04:06:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-29 04:06:04,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:04,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768902590] [2024-10-29 04:06:04,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768902590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:04,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:04,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 04:06:04,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188727997] [2024-10-29 04:06:04,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:04,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:06:04,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:04,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:06:04,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 04:06:04,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:04,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:04,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-29 04:06:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:04,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-29 04:06:05,086 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-29 04:06:05,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:05,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1368760675, now seen corresponding path program 1 times [2024-10-29 04:06:05,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:05,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955201562] [2024-10-29 04:06:05,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:05,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:06:05,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:05,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955201562] [2024-10-29 04:06:05,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955201562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:05,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:05,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 04:06:05,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99185132] [2024-10-29 04:06:05,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:05,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 04:06:05,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:05,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 04:06:05,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 04:06:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:05,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:05,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-10-29 04:06:05,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:05,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-29 04:06:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:05,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:05,593 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-29 04:06:05,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-29 04:06:05,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-29 04:06:05,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-29 04:06:05,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-29 04:06:05,603 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 04:06:05,605 INFO L317 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-10-29 04:06:05,607 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 04:06:05,609 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-29 04:06:05,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-10-29 04:06:05,609 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=PARTIAL_ORDER_FA, 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;@430125d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 04:06:05,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-29 04:06:05,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:05,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:05,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1270716277, now seen corresponding path program 1 times [2024-10-29 04:06:05,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:05,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012073742] [2024-10-29 04:06:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 04:06:05,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:05,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012073742] [2024-10-29 04:06:05,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012073742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:05,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:05,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 04:06:05,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854369711] [2024-10-29 04:06:05,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:05,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 04:06:05,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:05,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 04:06:05,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 04:06:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:05,868 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:05,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-10-29 04:06:05,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:06,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:06,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-29 04:06:06,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:06,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:06,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1270716278, now seen corresponding path program 1 times [2024-10-29 04:06:06,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:06,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236115197] [2024-10-29 04:06:06,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:06,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:06,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 04:06:06,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:06,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236115197] [2024-10-29 04:06:06,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236115197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:06,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:06,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-29 04:06:06,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920170475] [2024-10-29 04:06:06,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:06,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 04:06:06,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:06,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 04:06:06,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 04:06:06,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:06,286 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:06,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-10-29 04:06:06,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:06,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:06,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-29 04:06:06,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:06,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:06,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1829192521, now seen corresponding path program 1 times [2024-10-29 04:06:06,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:06,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3364394] [2024-10-29 04:06:06,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:06,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 04:06:06,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:06,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3364394] [2024-10-29 04:06:06,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3364394] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:06,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261349543] [2024-10-29 04:06:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:06,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:06,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:06,578 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:06,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-29 04:06:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:06,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-29 04:06:06,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 04:06:06,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-29 04:06:06,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261349543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:06,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-29 04:06:06,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [2] total 5 [2024-10-29 04:06:06,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675878632] [2024-10-29 04:06:06,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:06,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:06:06,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:06,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:06:06,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-29 04:06:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:06,748 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:06,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-10-29 04:06:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:06,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:07,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-29 04:06:07,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:07,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:07,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:07,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1045803224, now seen corresponding path program 1 times [2024-10-29 04:06:07,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:07,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236079094] [2024-10-29 04:06:07,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:07,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-29 04:06:07,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:07,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236079094] [2024-10-29 04:06:07,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236079094] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:07,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712062525] [2024-10-29 04:06:07,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:07,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:07,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:07,388 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:07,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-29 04:06:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:07,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-29 04:06:07,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-29 04:06:07,548 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-29 04:06:07,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712062525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:07,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-29 04:06:07,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [2] total 7 [2024-10-29 04:06:07,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456196173] [2024-10-29 04:06:07,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:07,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-29 04:06:07,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:07,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-29 04:06:07,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-29 04:06:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:07,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:07,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-10-29 04:06:07,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:07,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:07,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:07,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:07,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-29 04:06:08,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-29 04:06:08,088 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:08,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash -758340828, now seen corresponding path program 1 times [2024-10-29 04:06:08,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:08,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603804646] [2024-10-29 04:06:08,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:08,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-29 04:06:08,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:08,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603804646] [2024-10-29 04:06:08,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603804646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:08,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:08,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 04:06:08,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032864759] [2024-10-29 04:06:08,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:08,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 04:06:08,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 04:06:08,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 04:06:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:08,149 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:08,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-29 04:06:08,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-29 04:06:08,214 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:08,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:08,214 INFO L85 PathProgramCache]: Analyzing trace with hash -758340827, now seen corresponding path program 1 times [2024-10-29 04:06:08,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:08,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902475016] [2024-10-29 04:06:08,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:08,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-29 04:06:08,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:08,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902475016] [2024-10-29 04:06:08,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902475016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:08,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:08,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 04:06:08,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258200063] [2024-10-29 04:06:08,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:08,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:06:08,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:08,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:06:08,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-29 04:06:08,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:08,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:08,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-29 04:06:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:08,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-29 04:06:08,915 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:08,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:08,915 INFO L85 PathProgramCache]: Analyzing trace with hash -758281245, now seen corresponding path program 1 times [2024-10-29 04:06:08,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:08,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872938788] [2024-10-29 04:06:08,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-29 04:06:08,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:08,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872938788] [2024-10-29 04:06:08,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872938788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:08,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:08,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-29 04:06:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500941749] [2024-10-29 04:06:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:08,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:06:08,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:08,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:06:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-29 04:06:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:08,986 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:08,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-10-29 04:06:08,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:08,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:08,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:08,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:09,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:09,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:09,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-29 04:06:09,614 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:09,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:09,614 INFO L85 PathProgramCache]: Analyzing trace with hash 806826365, now seen corresponding path program 1 times [2024-10-29 04:06:09,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:09,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948641228] [2024-10-29 04:06:09,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:09,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:09,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:09,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948641228] [2024-10-29 04:06:09,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948641228] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:09,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235519596] [2024-10-29 04:06:09,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:09,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:09,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:09,807 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:09,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-29 04:06:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:09,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-29 04:06:09,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:09,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:09,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235519596] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:09,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-29 04:06:09,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2024-10-29 04:06:09,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588420502] [2024-10-29 04:06:09,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:09,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-29 04:06:09,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:09,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-29 04:06:09,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-29 04:06:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:09,988 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:09,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:09,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:10,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-29 04:06:10,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-29 04:06:10,279 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:10,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:10,279 INFO L85 PathProgramCache]: Analyzing trace with hash 871763532, now seen corresponding path program 1 times [2024-10-29 04:06:10,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:10,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773150716] [2024-10-29 04:06:10,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:10,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:10,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:10,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773150716] [2024-10-29 04:06:10,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773150716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:06:10,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:06:10,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 04:06:10,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175612756] [2024-10-29 04:06:10,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:06:10,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 04:06:10,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:10,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 04:06:10,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 04:06:10,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:10,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:10,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-29 04:06:10,415 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:10,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:10,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1911542032, now seen corresponding path program 1 times [2024-10-29 04:06:10,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:10,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037670503] [2024-10-29 04:06:10,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:10,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:10,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:10,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037670503] [2024-10-29 04:06:10,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037670503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:10,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359472052] [2024-10-29 04:06:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:10,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:10,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:10,530 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:10,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-29 04:06:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:10,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-29 04:06:10,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:10,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-29 04:06:10,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359472052] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:10,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:10,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 2, 2] total 6 [2024-10-29 04:06:10,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456026266] [2024-10-29 04:06:10,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:10,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-29 04:06:10,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:10,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-29 04:06:10,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-29 04:06:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:10,725 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:10,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 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) [2024-10-29 04:06:10,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:10,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:10,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-29 04:06:11,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:11,028 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:11,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:11,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1842581459, now seen corresponding path program 1 times [2024-10-29 04:06:11,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:11,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304662261] [2024-10-29 04:06:11,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:11,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:11,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304662261] [2024-10-29 04:06:11,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304662261] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453095297] [2024-10-29 04:06:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:11,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:11,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:11,114 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:11,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-29 04:06:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:11,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-29 04:06:11,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:11,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:11,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453095297] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:11,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:11,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2024-10-29 04:06:11,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036737365] [2024-10-29 04:06:11,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:11,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-29 04:06:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-29 04:06:11,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-29 04:06:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:11,321 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:11,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:11,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:11,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:11,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-29 04:06:11,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:11,617 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:11,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:11,618 INFO L85 PathProgramCache]: Analyzing trace with hash -975626412, now seen corresponding path program 2 times [2024-10-29 04:06:11,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:11,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005820096] [2024-10-29 04:06:11,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:11,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:11,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005820096] [2024-10-29 04:06:11,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005820096] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:11,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173996037] [2024-10-29 04:06:11,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-29 04:06:11,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:11,727 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:11,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-29 04:06:11,878 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-29 04:06:11,878 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 04:06:11,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-29 04:06:11,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:11,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:11,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173996037] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:11,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:11,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-29 04:06:11,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49929410] [2024-10-29 04:06:11,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:11,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-29 04:06:11,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:11,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-29 04:06:11,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-29 04:06:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:11,975 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:11,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 12 states have internal predecessors, (124), 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) [2024-10-29 04:06:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:12,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-29 04:06:12,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:12,366 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:12,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:12,366 INFO L85 PathProgramCache]: Analyzing trace with hash 258331094, now seen corresponding path program 3 times [2024-10-29 04:06:12,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:12,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567722847] [2024-10-29 04:06:12,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-29 04:06:12,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:12,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567722847] [2024-10-29 04:06:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567722847] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:12,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984782439] [2024-10-29 04:06:12,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-29 04:06:12,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:12,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:12,633 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:12,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-29 04:06:12,776 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-29 04:06:12,776 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 04:06:12,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-29 04:06:12,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-10-29 04:06:12,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-10-29 04:06:13,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984782439] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:13,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:13,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 21 [2024-10-29 04:06:13,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827810518] [2024-10-29 04:06:13,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:13,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-29 04:06:13,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:13,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-29 04:06:13,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-10-29 04:06:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:13,020 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:13,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.666666666666667) internal successors, (119), 22 states have internal predecessors, (119), 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) [2024-10-29 04:06:13,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:13,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:13,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:13,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:13,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-29 04:06:13,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-29 04:06:13,697 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:13,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:13,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1450983940, now seen corresponding path program 4 times [2024-10-29 04:06:13,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:13,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544585140] [2024-10-29 04:06:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:13,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-29 04:06:14,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544585140] [2024-10-29 04:06:14,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544585140] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070675948] [2024-10-29 04:06:14,029 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-29 04:06:14,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:14,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:14,031 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:14,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-29 04:06:14,203 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-29 04:06:14,203 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 04:06:14,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-29 04:06:14,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-29 04:06:14,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-29 04:06:14,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070675948] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:14,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:14,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 25 [2024-10-29 04:06:14,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272072016] [2024-10-29 04:06:14,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:14,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-29 04:06:14,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:14,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-29 04:06:14,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-29 04:06:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:14,483 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:14,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.923076923076923) internal successors, (180), 26 states have internal predecessors, (180), 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) [2024-10-29 04:06:14,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:14,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:06:14,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-29 04:06:15,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:15,058 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:15,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:15,059 INFO L85 PathProgramCache]: Analyzing trace with hash 613716275, now seen corresponding path program 5 times [2024-10-29 04:06:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:15,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357156644] [2024-10-29 04:06:15,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 0 proven. 1152 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-29 04:06:15,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:15,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357156644] [2024-10-29 04:06:15,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357156644] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:15,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111467746] [2024-10-29 04:06:15,915 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-29 04:06:15,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:15,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:15,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:15,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-29 04:06:23,194 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2024-10-29 04:06:23,194 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 04:06:23,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-29 04:06:23,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 0 proven. 1152 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-29 04:06:23,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 0 proven. 1152 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-29 04:06:23,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111467746] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:23,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:23,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 51 [2024-10-29 04:06:23,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940319055] [2024-10-29 04:06:23,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:23,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-29 04:06:23,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-29 04:06:23,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-10-29 04:06:23,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:23,914 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:23,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 5.461538461538462) internal successors, (284), 52 states have internal predecessors, (284), 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) [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:23,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:23,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:23,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:06:23,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:06:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:06:24,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-29 04:06:25,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-29 04:06:25,048 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:25,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:25,049 INFO L85 PathProgramCache]: Analyzing trace with hash 948318993, now seen corresponding path program 6 times [2024-10-29 04:06:25,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:25,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101896110] [2024-10-29 04:06:25,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:25,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5008 backedges. 0 proven. 5000 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-29 04:06:27,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:27,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101896110] [2024-10-29 04:06:27,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101896110] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:27,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582549371] [2024-10-29 04:06:27,635 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-29 04:06:27,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:27,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:27,636 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:27,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-29 04:06:27,861 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-10-29 04:06:27,861 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 04:06:27,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-29 04:06:27,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:28,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5008 backedges. 1900 proven. 153 refuted. 0 times theorem prover too weak. 2955 trivial. 0 not checked. [2024-10-29 04:06:28,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5008 backedges. 148 proven. 1905 refuted. 0 times theorem prover too weak. 2955 trivial. 0 not checked. [2024-10-29 04:06:29,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582549371] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:29,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:29,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 9, 9] total 67 [2024-10-29 04:06:29,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017455606] [2024-10-29 04:06:29,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:29,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-10-29 04:06:29,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:29,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-10-29 04:06:29,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1446, Invalid=3110, Unknown=0, NotChecked=0, Total=4556 [2024-10-29 04:06:29,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:29,225 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:29,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 67 states have (on average 4.402985074626866) internal successors, (295), 68 states have internal predecessors, (295), 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) [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:29,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:29,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:29,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:06:29,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:06:29,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:06:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:06:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:06:31,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-29 04:06:31,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-29 04:06:31,707 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:31,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash 15980761, now seen corresponding path program 7 times [2024-10-29 04:06:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:31,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842271944] [2024-10-29 04:06:31,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:31,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5217 backedges. 0 proven. 5202 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:06:34,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:34,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842271944] [2024-10-29 04:06:34,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842271944] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:34,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684475269] [2024-10-29 04:06:34,370 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-29 04:06:34,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:34,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:34,371 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:34,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-29 04:06:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:34,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-10-29 04:06:34,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5217 backedges. 0 proven. 5202 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:06:34,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:06:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5217 backedges. 0 proven. 5202 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:06:37,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684475269] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:06:37,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:06:37,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 105 [2024-10-29 04:06:37,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857593809] [2024-10-29 04:06:37,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:06:37,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-10-29 04:06:37,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:06:37,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-10-29 04:06:37,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2024-10-29 04:06:37,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:37,297 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:06:37,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 106 states have (on average 4.716981132075472) internal successors, (500), 106 states have internal predecessors, (500), 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) [2024-10-29 04:06:37,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:37,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:37,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:06:37,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:06:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-10-29 04:06:41,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-29 04:06:41,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-29 04:06:41,417 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:06:41,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:06:41,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1165966400, now seen corresponding path program 8 times [2024-10-29 04:06:41,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:06:41,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126856849] [2024-10-29 04:06:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:06:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:06:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:06:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 21647 backedges. 0 proven. 21632 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:06:51,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:06:51,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126856849] [2024-10-29 04:06:51,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126856849] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:06:51,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397243057] [2024-10-29 04:06:51,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-29 04:06:51,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:06:51,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:06:51,781 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:06:51,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-29 04:06:52,227 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-29 04:06:52,227 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 04:06:52,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-10-29 04:06:52,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:06:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 21647 backedges. 0 proven. 21632 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:06:52,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:07:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 21647 backedges. 0 proven. 21632 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:07:01,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397243057] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:07:01,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:07:01,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105, 105] total 211 [2024-10-29 04:07:01,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091457545] [2024-10-29 04:07:01,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:07:01,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 213 states [2024-10-29 04:07:01,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:07:01,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2024-10-29 04:07:01,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2024-10-29 04:07:01,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:07:01,054 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:07:01,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 213 states, 212 states have (on average 4.3584905660377355) internal successors, (924), 212 states have internal predecessors, (924), 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) [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:07:01,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-10-29 04:07:01,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:07:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-10-29 04:07:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-10-29 04:07:40,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-29 04:07:41,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-29 04:07:41,164 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:07:41,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:07:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1168957810, now seen corresponding path program 9 times [2024-10-29 04:07:41,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:07:41,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557199764] [2024-10-29 04:07:41,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:07:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:07:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:08:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 88215 backedges. 0 proven. 88200 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-29 04:08:23,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:08:23,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557199764] [2024-10-29 04:08:23,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557199764] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-29 04:08:23,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679406968] [2024-10-29 04:08:23,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-29 04:08:23,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-29 04:08:23,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-29 04:08:23,272 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-29 04:08:23,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-29 04:08:23,668 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-29 04:08:23,668 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-29 04:08:23,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-29 04:08:23,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-29 04:08:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 88215 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 87795 trivial. 0 not checked. [2024-10-29 04:08:26,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-29 04:08:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 88215 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 87795 trivial. 0 not checked. [2024-10-29 04:08:29,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679406968] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-29 04:08:29,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-29 04:08:29,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 2, 2] total 215 [2024-10-29 04:08:29,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172698447] [2024-10-29 04:08:29,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-29 04:08:29,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 217 states [2024-10-29 04:08:29,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:08:29,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2024-10-29 04:08:29,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22798, Invalid=24074, Unknown=0, NotChecked=0, Total=46872 [2024-10-29 04:08:29,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:08:29,807 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:08:29,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 217 states, 216 states have (on average 4.3657407407407405) internal successors, (943), 216 states have internal predecessors, (943), 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) [2024-10-29 04:08:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:08:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:08:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:08:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:08:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:08:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:08:29,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-10-29 04:08:29,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:09:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-10-29 04:09:38,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2024-10-29 04:09:38,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-29 04:09:38,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-29 04:09:38,999 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-29 04:09:38,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 04:09:38,999 INFO L85 PathProgramCache]: Analyzing trace with hash 2055360328, now seen corresponding path program 1 times [2024-10-29 04:09:38,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 04:09:38,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383716193] [2024-10-29 04:09:38,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 04:09:38,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 04:09:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 04:09:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-29 04:09:39,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 04:09:39,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383716193] [2024-10-29 04:09:39,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383716193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 04:09:39,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 04:09:39,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-29 04:09:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613877700] [2024-10-29 04:09:39,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 04:09:39,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-29 04:09:39,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 04:09:39,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-29 04:09:39,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-29 04:09:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-29 04:09:39,113 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-29 04:09:39,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-29 04:09:39,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. [2024-10-29 04:09:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15