/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_12-ptr_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:39:23,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:39:23,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:39:23,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:39:23,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:39:23,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:39:23,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:39:23,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:39:23,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:39:23,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:39:23,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:39:23,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:39:23,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:39:23,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:39:23,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:39:23,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:39:23,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:39:23,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:39:23,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:39:23,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:39:23,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:39:23,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:39:23,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:39:23,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:39:23,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:39:23,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:39:23,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:39:23,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:39:23,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:39:23,568 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:39:23,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:39:23,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:39:23,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:39:23,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:39:23,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:39:23,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:39:23,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:39:23,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:39:23,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:39:23,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:39:23,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:39:23,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:39:23,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:39:23,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:39:23,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:39:23,572 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:39:23,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:39:23,572 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:39:23,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:39:23,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:39:23,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:39:23,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:39:23,728 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:39:23,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_12-ptr_nr.i [2022-09-16 10:39:23,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c87b6836/d23de8ccc9b34ffbbbb7389bfc3f9e75/FLAG1206d8841 [2022-09-16 10:39:24,178 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:39:24,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_12-ptr_nr.i [2022-09-16 10:39:24,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c87b6836/d23de8ccc9b34ffbbbb7389bfc3f9e75/FLAG1206d8841 [2022-09-16 10:39:24,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c87b6836/d23de8ccc9b34ffbbbb7389bfc3f9e75 [2022-09-16 10:39:24,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:39:24,534 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:39:24,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:39:24,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:39:24,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:39:24,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:24,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13519435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24, skipping insertion in model container [2022-09-16 10:39:24,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:24,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:39:24,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:39:24,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:39:24,910 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:39:24,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:39:24,992 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:39:24,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24 WrapperNode [2022-09-16 10:39:24,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:39:24,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:39:24,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:39:24,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:39:24,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,041 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-09-16 10:39:25,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:39:25,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:39:25,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:39:25,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:39:25,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:39:25,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:39:25,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:39:25,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:39:25,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (1/1) ... [2022-09-16 10:39:25,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:39:25,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:39:25,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:39:25,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:39:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 10:39:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:39:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:39:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:39:25,126 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:39:25,205 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:39:25,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:39:25,311 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:39:25,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:39:25,317 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:39:25,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:39:25 BoogieIcfgContainer [2022-09-16 10:39:25,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:39:25,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:39:25,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:39:25,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:39:25,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:39:24" (1/3) ... [2022-09-16 10:39:25,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b2cbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:39:25, skipping insertion in model container [2022-09-16 10:39:25,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:39:24" (2/3) ... [2022-09-16 10:39:25,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b2cbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:39:25, skipping insertion in model container [2022-09-16 10:39:25,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:39:25" (3/3) ... [2022-09-16 10:39:25,324 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2022-09-16 10:39:25,328 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:39:25,334 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:39:25,334 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:39:25,335 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:39:25,375 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 10:39:25,393 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 68 transitions, 144 flow [2022-09-16 10:39:25,416 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 212 states, 204 states have (on average 1.7794117647058822) internal successors, (363), 211 states have internal predecessors, (363), 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) [2022-09-16 10:39:25,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:39:25,431 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@486fed03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:39:25,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-09-16 10:39:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 204 states have (on average 1.7794117647058822) internal successors, (363), 211 states have internal predecessors, (363), 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) [2022-09-16 10:39:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-09-16 10:39:25,438 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:25,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:25,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:25,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:25,442 INFO L85 PathProgramCache]: Analyzing trace with hash -992364100, now seen corresponding path program 1 times [2022-09-16 10:39:25,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:25,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681623184] [2022-09-16 10:39:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:25,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:25,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:25,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681623184] [2022-09-16 10:39:25,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681623184] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:25,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:25,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:39:25,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516216745] [2022-09-16 10:39:25,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:25,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:39:25,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:25,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:39:25,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:39:25,721 INFO L87 Difference]: Start difference. First operand has 212 states, 204 states have (on average 1.7794117647058822) internal successors, (363), 211 states have internal predecessors, (363), 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) Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 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) [2022-09-16 10:39:25,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:25,853 INFO L93 Difference]: Finished difference Result 200 states and 333 transitions. [2022-09-16 10:39:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-16 10:39:25,855 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 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) Word has length 38 [2022-09-16 10:39:25,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:25,862 INFO L225 Difference]: With dead ends: 200 [2022-09-16 10:39:25,862 INFO L226 Difference]: Without dead ends: 190 [2022-09-16 10:39:25,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:39:25,865 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 217 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:25,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 259 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:39:25,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-09-16 10:39:25,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2022-09-16 10:39:25,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 186 states have (on average 1.7043010752688172) internal successors, (317), 189 states have internal predecessors, (317), 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) [2022-09-16 10:39:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 317 transitions. [2022-09-16 10:39:25,894 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 317 transitions. Word has length 38 [2022-09-16 10:39:25,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:25,895 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 317 transitions. [2022-09-16 10:39:25,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 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) [2022-09-16 10:39:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 317 transitions. [2022-09-16 10:39:25,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-09-16 10:39:25,896 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:25,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:25,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:39:25,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:25,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:25,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1971555496, now seen corresponding path program 1 times [2022-09-16 10:39:25,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:25,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039727378] [2022-09-16 10:39:25,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:25,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:25,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039727378] [2022-09-16 10:39:25,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039727378] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:25,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:25,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:39:25,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001178411] [2022-09-16 10:39:25,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:25,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-09-16 10:39:25,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:25,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-09-16 10:39:25,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-09-16 10:39:25,997 INFO L87 Difference]: Start difference. First operand 190 states and 317 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 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) [2022-09-16 10:39:26,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:26,120 INFO L93 Difference]: Finished difference Result 184 states and 298 transitions. [2022-09-16 10:39:26,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 10:39:26,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 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) Word has length 38 [2022-09-16 10:39:26,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:26,125 INFO L225 Difference]: With dead ends: 184 [2022-09-16 10:39:26,125 INFO L226 Difference]: Without dead ends: 168 [2022-09-16 10:39:26,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:39:26,127 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 219 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:26,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 168 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:26,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-09-16 10:39:26,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-09-16 10:39:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 164 states have (on average 1.6524390243902438) internal successors, (271), 167 states have internal predecessors, (271), 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) [2022-09-16 10:39:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 271 transitions. [2022-09-16 10:39:26,134 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 271 transitions. Word has length 38 [2022-09-16 10:39:26,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:26,135 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 271 transitions. [2022-09-16 10:39:26,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 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) [2022-09-16 10:39:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 271 transitions. [2022-09-16 10:39:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-09-16 10:39:26,147 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:26,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:26,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:39:26,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:26,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:26,153 INFO L85 PathProgramCache]: Analyzing trace with hash -762183015, now seen corresponding path program 1 times [2022-09-16 10:39:26,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:26,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180419081] [2022-09-16 10:39:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:26,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:26,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180419081] [2022-09-16 10:39:26,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180419081] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:26,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:26,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:39:26,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663477716] [2022-09-16 10:39:26,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:26,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:39:26,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:26,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:39:26,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:39:26,248 INFO L87 Difference]: Start difference. First operand 168 states and 271 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) 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) [2022-09-16 10:39:26,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:26,272 INFO L93 Difference]: Finished difference Result 128 states and 187 transitions. [2022-09-16 10:39:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:39:26,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) 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) Word has length 46 [2022-09-16 10:39:26,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:26,273 INFO L225 Difference]: With dead ends: 128 [2022-09-16 10:39:26,273 INFO L226 Difference]: Without dead ends: 128 [2022-09-16 10:39:26,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:39:26,274 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 22 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:26,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 95 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:26,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-09-16 10:39:26,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2022-09-16 10:39:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 124 states have (on average 1.5080645161290323) internal successors, (187), 127 states have internal predecessors, (187), 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) [2022-09-16 10:39:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 187 transitions. [2022-09-16 10:39:26,280 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 187 transitions. Word has length 46 [2022-09-16 10:39:26,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:26,280 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 187 transitions. [2022-09-16 10:39:26,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) 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) [2022-09-16 10:39:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 187 transitions. [2022-09-16 10:39:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-09-16 10:39:26,281 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:26,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:26,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:39:26,281 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:26,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:26,282 INFO L85 PathProgramCache]: Analyzing trace with hash 654451022, now seen corresponding path program 1 times [2022-09-16 10:39:26,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:26,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047648670] [2022-09-16 10:39:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:26,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:26,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:26,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047648670] [2022-09-16 10:39:26,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047648670] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:26,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:26,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-16 10:39:26,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660799990] [2022-09-16 10:39:26,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:26,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:39:26,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:26,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:39:26,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:39:26,430 INFO L87 Difference]: Start difference. First operand 128 states and 187 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:26,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:26,635 INFO L93 Difference]: Finished difference Result 125 states and 182 transitions. [2022-09-16 10:39:26,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 10:39:26,635 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) Word has length 48 [2022-09-16 10:39:26,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:26,636 INFO L225 Difference]: With dead ends: 125 [2022-09-16 10:39:26,636 INFO L226 Difference]: Without dead ends: 125 [2022-09-16 10:39:26,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:26,637 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 233 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:26,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 210 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:39:26,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-09-16 10:39:26,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2022-09-16 10:39:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 122 states have (on average 1.4918032786885247) internal successors, (182), 124 states have internal predecessors, (182), 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) [2022-09-16 10:39:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 182 transitions. [2022-09-16 10:39:26,643 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 182 transitions. Word has length 48 [2022-09-16 10:39:26,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:26,643 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 182 transitions. [2022-09-16 10:39:26,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 182 transitions. [2022-09-16 10:39:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-09-16 10:39:26,644 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:26,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:26,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:39:26,644 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:26,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash 219997506, now seen corresponding path program 1 times [2022-09-16 10:39:26,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:26,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105732885] [2022-09-16 10:39:26,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:26,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:26,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:26,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105732885] [2022-09-16 10:39:26,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105732885] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:26,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:26,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-16 10:39:26,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625728658] [2022-09-16 10:39:26,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:26,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:39:26,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:26,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:39:26,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:39:26,781 INFO L87 Difference]: Start difference. First operand 125 states and 182 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:26,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:26,949 INFO L93 Difference]: Finished difference Result 142 states and 203 transitions. [2022-09-16 10:39:26,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:39:26,950 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) Word has length 48 [2022-09-16 10:39:26,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:26,950 INFO L225 Difference]: With dead ends: 142 [2022-09-16 10:39:26,950 INFO L226 Difference]: Without dead ends: 142 [2022-09-16 10:39:26,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:39:26,951 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 198 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:26,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 315 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:39:26,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-09-16 10:39:26,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2022-09-16 10:39:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 135 states have (on average 1.474074074074074) internal successors, (199), 137 states have internal predecessors, (199), 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) [2022-09-16 10:39:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 199 transitions. [2022-09-16 10:39:26,956 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 199 transitions. Word has length 48 [2022-09-16 10:39:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:26,957 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 199 transitions. [2022-09-16 10:39:26,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 199 transitions. [2022-09-16 10:39:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-09-16 10:39:26,958 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:26,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:26,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:39:26,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:26,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1445001816, now seen corresponding path program 2 times [2022-09-16 10:39:26,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:26,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108400807] [2022-09-16 10:39:26,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108400807] [2022-09-16 10:39:27,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108400807] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-16 10:39:27,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776756766] [2022-09-16 10:39:27,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:39:27,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:39:27,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:39:27,050 INFO L87 Difference]: Start difference. First operand 138 states and 199 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:27,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:27,271 INFO L93 Difference]: Finished difference Result 152 states and 217 transitions. [2022-09-16 10:39:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 10:39:27,272 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) Word has length 48 [2022-09-16 10:39:27,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:27,273 INFO L225 Difference]: With dead ends: 152 [2022-09-16 10:39:27,273 INFO L226 Difference]: Without dead ends: 152 [2022-09-16 10:39:27,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:27,274 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 225 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:27,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 295 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:39:27,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-09-16 10:39:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 135. [2022-09-16 10:39:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.4848484848484849) internal successors, (196), 134 states have internal predecessors, (196), 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) [2022-09-16 10:39:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2022-09-16 10:39:27,278 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 48 [2022-09-16 10:39:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:27,278 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2022-09-16 10:39:27,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2022-09-16 10:39:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-09-16 10:39:27,279 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:27,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:27,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:39:27,280 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1130085066, now seen corresponding path program 3 times [2022-09-16 10:39:27,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:27,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88611026] [2022-09-16 10:39:27,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88611026] [2022-09-16 10:39:27,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88611026] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-16 10:39:27,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158748759] [2022-09-16 10:39:27,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:39:27,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:39:27,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:39:27,361 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:27,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:27,560 INFO L93 Difference]: Finished difference Result 133 states and 193 transitions. [2022-09-16 10:39:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:39:27,561 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) Word has length 48 [2022-09-16 10:39:27,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:27,561 INFO L225 Difference]: With dead ends: 133 [2022-09-16 10:39:27,562 INFO L226 Difference]: Without dead ends: 133 [2022-09-16 10:39:27,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2022-09-16 10:39:27,565 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 219 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:27,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 269 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:39:27,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-09-16 10:39:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2022-09-16 10:39:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 121 states have (on average 1.4793388429752066) internal successors, (179), 122 states have internal predecessors, (179), 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) [2022-09-16 10:39:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2022-09-16 10:39:27,579 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 48 [2022-09-16 10:39:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:27,580 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2022-09-16 10:39:27,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 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) [2022-09-16 10:39:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2022-09-16 10:39:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:39:27,580 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:27,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:27,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:39:27,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:27,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:27,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1186854649, now seen corresponding path program 1 times [2022-09-16 10:39:27,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:27,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378815688] [2022-09-16 10:39:27,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:27,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378815688] [2022-09-16 10:39:27,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378815688] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:39:27,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470004530] [2022-09-16 10:39:27,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:39:27,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:39:27,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:39:27,648 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:27,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:27,702 INFO L93 Difference]: Finished difference Result 120 states and 174 transitions. [2022-09-16 10:39:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 10:39:27,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-09-16 10:39:27,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:27,703 INFO L225 Difference]: With dead ends: 120 [2022-09-16 10:39:27,703 INFO L226 Difference]: Without dead ends: 78 [2022-09-16 10:39:27,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:39:27,705 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 50 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:27,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 233 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-09-16 10:39:27,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-09-16 10:39:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 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) [2022-09-16 10:39:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 104 transitions. [2022-09-16 10:39:27,711 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 104 transitions. Word has length 49 [2022-09-16 10:39:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:27,711 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 104 transitions. [2022-09-16 10:39:27,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2022-09-16 10:39:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:39:27,713 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:27,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:27,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:39:27,713 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:27,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:27,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1770011732, now seen corresponding path program 1 times [2022-09-16 10:39:27,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:27,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393975388] [2022-09-16 10:39:27,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:27,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393975388] [2022-09-16 10:39:27,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393975388] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:39:27,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351426308] [2022-09-16 10:39:27,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:39:27,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:39:27,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:39:27,788 INFO L87 Difference]: Start difference. First operand 78 states and 104 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:27,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:27,832 INFO L93 Difference]: Finished difference Result 91 states and 120 transitions. [2022-09-16 10:39:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 10:39:27,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-09-16 10:39:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:27,833 INFO L225 Difference]: With dead ends: 91 [2022-09-16 10:39:27,833 INFO L226 Difference]: Without dead ends: 71 [2022-09-16 10:39:27,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:39:27,837 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 22 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:27,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 236 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-09-16 10:39:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-09-16 10:39:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 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) [2022-09-16 10:39:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-09-16 10:39:27,839 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 49 [2022-09-16 10:39:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:27,839 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-09-16 10:39:27,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-09-16 10:39:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:39:27,840 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:27,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:27,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 10:39:27,840 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:27,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1446693712, now seen corresponding path program 2 times [2022-09-16 10:39:27,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:27,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167872573] [2022-09-16 10:39:27,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:27,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167872573] [2022-09-16 10:39:27,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167872573] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:39:27,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21220296] [2022-09-16 10:39:27,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:39:27,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:39:27,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:39:27,901 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:27,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:27,932 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-09-16 10:39:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 10:39:27,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-09-16 10:39:27,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:27,933 INFO L225 Difference]: With dead ends: 83 [2022-09-16 10:39:27,933 INFO L226 Difference]: Without dead ends: 70 [2022-09-16 10:39:27,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-09-16 10:39:27,934 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 8 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:27,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 218 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:27,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-09-16 10:39:27,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-09-16 10:39:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 69 states have internal predecessors, (88), 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) [2022-09-16 10:39:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2022-09-16 10:39:27,936 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 49 [2022-09-16 10:39:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:27,937 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2022-09-16 10:39:27,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2022-09-16 10:39:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:39:27,937 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:27,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:27,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-09-16 10:39:27,938 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:39:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:27,938 INFO L85 PathProgramCache]: Analyzing trace with hash -672898504, now seen corresponding path program 3 times [2022-09-16 10:39:27,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:27,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219792304] [2022-09-16 10:39:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:27,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219792304] [2022-09-16 10:39:27,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219792304] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:39:27,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836119601] [2022-09-16 10:39:27,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:39:27,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:39:27,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:39:27,981 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:28,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:28,024 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2022-09-16 10:39:28,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 10:39:28,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-09-16 10:39:28,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:28,024 INFO L225 Difference]: With dead ends: 68 [2022-09-16 10:39:28,024 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:39:28,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-09-16 10:39:28,025 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 40 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:28,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 165 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:39:28,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:39:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-09-16 10:39:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:39:28,026 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-09-16 10:39:28,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:28,026 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:39:28,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-09-16 10:39:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:39:28,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:39:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-09-16 10:39:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-09-16 10:39:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-09-16 10:39:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-09-16 10:39:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-09-16 10:39:28,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-09-16 10:39:28,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-09-16 10:39:28,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-09-16 10:39:28,031 INFO L444 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1] [2022-09-16 10:39:28,034 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:39:28,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:39:28,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:39:28 BasicIcfg [2022-09-16 10:39:28,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:39:28,037 INFO L158 Benchmark]: Toolchain (without parser) took 3502.76ms. Allocated memory is still 253.8MB. Free memory was 224.7MB in the beginning and 159.0MB in the end (delta: 65.7MB). Peak memory consumption was 64.7MB. Max. memory is 8.0GB. [2022-09-16 10:39:28,037 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:39:28,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.64ms. Allocated memory is still 253.8MB. Free memory was 224.2MB in the beginning and 206.9MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-09-16 10:39:28,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.04ms. Allocated memory is still 253.8MB. Free memory was 206.9MB in the beginning and 204.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:39:28,037 INFO L158 Benchmark]: Boogie Preprocessor took 14.64ms. Allocated memory is still 253.8MB. Free memory was 204.9MB in the beginning and 203.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 10:39:28,038 INFO L158 Benchmark]: RCFGBuilder took 258.87ms. Allocated memory is still 253.8MB. Free memory was 203.3MB in the beginning and 190.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-16 10:39:28,038 INFO L158 Benchmark]: TraceAbstraction took 2716.93ms. Allocated memory is still 253.8MB. Free memory was 190.2MB in the beginning and 159.0MB in the end (delta: 31.2MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2022-09-16 10:39:28,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 458.64ms. Allocated memory is still 253.8MB. Free memory was 224.2MB in the beginning and 206.9MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.04ms. Allocated memory is still 253.8MB. Free memory was 206.9MB in the beginning and 204.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.64ms. Allocated memory is still 253.8MB. Free memory was 204.9MB in the beginning and 203.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 258.87ms. Allocated memory is still 253.8MB. Free memory was 203.3MB in the beginning and 190.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2716.93ms. Allocated memory is still 253.8MB. Free memory was 190.2MB in the beginning and 159.0MB in the end (delta: 31.2MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 931]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 85 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1453 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1453 mSDsluCounter, 2463 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1895 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 968 IncrementalHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 578 mSDtfsCounter, 968 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=0, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 31 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 499 ConstructedInterpolants, 0 QuantifiedInterpolants, 2819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:39:28,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...