/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/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:35:55,241 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:35:55,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:35:55,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:35:55,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:35:55,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:35:55,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:35:55,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:35:55,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:35:55,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:35:55,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:35:55,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:35:55,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:35:55,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:35:55,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:35:55,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:35:55,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:35:55,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:35:55,317 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 10:35:55,354 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:35:55,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:35:55,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:35:55,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:35:55,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:35:55,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:35:55,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:35:55,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:35:55,357 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:35:55,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:35:55,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:35:55,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:35:55,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:35:55,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:35:55,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:35:55,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:35:55,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:35:55,359 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:35:55,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:35:55,359 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:35:55,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:35:55,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:35:55,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:35:55,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:35:55,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:35:55,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:35:55,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:35:55,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:35:55,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:35:55,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:35:55,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:35:55,362 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:35:55,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:35:55,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:35:55,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:35:55,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:35:55,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:35:55,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:35:55,624 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:35:55,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:35:55,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ec28a12/c47b1d05de0041338ba9276cde63e909/FLAG1ed251be5 [2022-09-16 10:35:56,199 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:35:56,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:35:56,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ec28a12/c47b1d05de0041338ba9276cde63e909/FLAG1ed251be5 [2022-09-16 10:35:56,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ec28a12/c47b1d05de0041338ba9276cde63e909 [2022-09-16 10:35:56,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:35:56,670 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:35:56,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:35:56,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:35:56,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:35:56,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:35:56" (1/1) ... [2022-09-16 10:35:56,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb7357d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:56, skipping insertion in model container [2022-09-16 10:35:56,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:35:56" (1/1) ... [2022-09-16 10:35:56,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:35:56,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:35:56,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-09-16 10:35:57,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:35:57,104 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:35:57,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-09-16 10:35:57,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:35:57,196 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:35:57,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57 WrapperNode [2022-09-16 10:35:57,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:35:57,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:35:57,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:35:57,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:35:57,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,253 INFO L138 Inliner]: procedures = 177, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2022-09-16 10:35:57,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:35:57,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:35:57,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:35:57,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:35:57,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:35:57,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:35:57,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:35:57,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:35:57,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (1/1) ... [2022-09-16 10:35:57,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:35:57,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:35:57,325 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 10:35:57,350 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 10:35:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:35:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:35:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:35:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:35:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:35:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:35:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:35:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:35:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:35:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:35:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:35:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:35:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:35:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:35:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:35:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:35:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:35:57,375 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 10:35:57,550 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:35:57,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:35:57,795 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:35:57,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:35:57,842 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:35:57,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:35:57 BoogieIcfgContainer [2022-09-16 10:35:57,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:35:57,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:35:57,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:35:57,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:35:57,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:35:56" (1/3) ... [2022-09-16 10:35:57,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfa1f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:35:57, skipping insertion in model container [2022-09-16 10:35:57,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:57" (2/3) ... [2022-09-16 10:35:57,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfa1f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:35:57, skipping insertion in model container [2022-09-16 10:35:57,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:35:57" (3/3) ... [2022-09-16 10:35:57,861 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:35:57,870 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:35:57,879 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:35:57,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:35:57,879 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:35:57,965 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:35:58,000 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 129 places, 118 transitions, 256 flow [2022-09-16 10:36:04,173 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 213121 states, 213041 states have (on average 4.5549964560812235) internal successors, (970401), 213120 states have internal predecessors, (970401), 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 10:36:04,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:36:04,219 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;@5446c84f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:36:04,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:36:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 213121 states, 213041 states have (on average 4.5549964560812235) internal successors, (970401), 213120 states have internal predecessors, (970401), 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 10:36:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-09-16 10:36:04,579 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:04,580 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] [2022-09-16 10:36:04,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:36:04,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash -989698693, now seen corresponding path program 1 times [2022-09-16 10:36:04,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:04,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793495079] [2022-09-16 10:36:04,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:04,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:04,839 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 10:36:04,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:04,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793495079] [2022-09-16 10:36:04,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793495079] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:04,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:04,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:36:04,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925702986] [2022-09-16 10:36:04,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:04,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:36:04,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:04,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:36:04,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:36:05,397 INFO L87 Difference]: Start difference. First operand has 213121 states, 213041 states have (on average 4.5549964560812235) internal successors, (970401), 213120 states have internal predecessors, (970401), 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 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:08,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:08,981 INFO L93 Difference]: Finished difference Result 173183 states and 763093 transitions. [2022-09-16 10:36:08,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:36:08,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-09-16 10:36:08,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:11,327 INFO L225 Difference]: With dead ends: 173183 [2022-09-16 10:36:11,327 INFO L226 Difference]: Without dead ends: 173183 [2022-09-16 10:36:11,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:36:11,332 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 60 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:11,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 173 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:36:12,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173183 states. [2022-09-16 10:36:20,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173183 to 173183. [2022-09-16 10:36:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173183 states, 172991 states have (on average 4.411171679451532) internal successors, (763093), 173182 states have internal predecessors, (763093), 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 10:36:22,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173183 states to 173183 states and 763093 transitions. [2022-09-16 10:36:22,652 INFO L78 Accepts]: Start accepts. Automaton has 173183 states and 763093 transitions. Word has length 32 [2022-09-16 10:36:22,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:22,653 INFO L495 AbstractCegarLoop]: Abstraction has 173183 states and 763093 transitions. [2022-09-16 10:36:22,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 173183 states and 763093 transitions. [2022-09-16 10:36:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-09-16 10:36:22,656 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:22,656 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] [2022-09-16 10:36:22,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:36:22,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:36:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:22,658 INFO L85 PathProgramCache]: Analyzing trace with hash 623646175, now seen corresponding path program 1 times [2022-09-16 10:36:22,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:22,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646731341] [2022-09-16 10:36:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:22,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:22,764 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 10:36:22,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:22,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646731341] [2022-09-16 10:36:22,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646731341] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:22,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:22,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:36:22,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844663621] [2022-09-16 10:36:22,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:22,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:36:22,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:22,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:36:22,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:36:22,768 INFO L87 Difference]: Start difference. First operand 173183 states and 763093 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 10:36:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:25,033 INFO L93 Difference]: Finished difference Result 116645 states and 510442 transitions. [2022-09-16 10:36:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:36:25,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 43 [2022-09-16 10:36:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:26,514 INFO L225 Difference]: With dead ends: 116645 [2022-09-16 10:36:26,514 INFO L226 Difference]: Without dead ends: 116645 [2022-09-16 10:36:26,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:36:26,516 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 125 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:26,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 313 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:36:26,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116645 states. [2022-09-16 10:36:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116645 to 116645. [2022-09-16 10:36:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116645 states, 116603 states have (on average 4.377606065024056) internal successors, (510442), 116644 states have internal predecessors, (510442), 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 10:36:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116645 states to 116645 states and 510442 transitions. [2022-09-16 10:36:32,093 INFO L78 Accepts]: Start accepts. Automaton has 116645 states and 510442 transitions. Word has length 43 [2022-09-16 10:36:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:32,094 INFO L495 AbstractCegarLoop]: Abstraction has 116645 states and 510442 transitions. [2022-09-16 10:36:32,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 10:36:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 116645 states and 510442 transitions. [2022-09-16 10:36:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-09-16 10:36:32,096 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:32,096 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] [2022-09-16 10:36:32,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:36:32,097 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:36:32,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:32,098 INFO L85 PathProgramCache]: Analyzing trace with hash 623646174, now seen corresponding path program 1 times [2022-09-16 10:36:32,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:32,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231252655] [2022-09-16 10:36:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:32,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:32,200 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 10:36:32,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:32,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231252655] [2022-09-16 10:36:32,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231252655] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:32,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:32,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:36:32,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674893377] [2022-09-16 10:36:32,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:32,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:36:32,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:32,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:36:32,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:36:32,205 INFO L87 Difference]: Start difference. First operand 116645 states and 510442 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 10:36:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:33,731 INFO L93 Difference]: Finished difference Result 93344 states and 403087 transitions. [2022-09-16 10:36:33,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:36:33,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 43 [2022-09-16 10:36:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:34,399 INFO L225 Difference]: With dead ends: 93344 [2022-09-16 10:36:34,400 INFO L226 Difference]: Without dead ends: 93344 [2022-09-16 10:36:34,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:36:34,401 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 194 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:34,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 234 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:36:35,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93344 states. [2022-09-16 10:36:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93344 to 93344. [2022-09-16 10:36:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93344 states, 93314 states have (on average 4.319684077416036) internal successors, (403087), 93343 states have internal predecessors, (403087), 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 10:36:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93344 states to 93344 states and 403087 transitions. [2022-09-16 10:36:39,146 INFO L78 Accepts]: Start accepts. Automaton has 93344 states and 403087 transitions. Word has length 43 [2022-09-16 10:36:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:39,147 INFO L495 AbstractCegarLoop]: Abstraction has 93344 states and 403087 transitions. [2022-09-16 10:36:39,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 10:36:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 93344 states and 403087 transitions. [2022-09-16 10:36:39,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:36:39,174 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:39,174 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, 1, 1, 1, 1, 1] [2022-09-16 10:36:39,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:36:39,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:36:39,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:39,175 INFO L85 PathProgramCache]: Analyzing trace with hash 698195140, now seen corresponding path program 1 times [2022-09-16 10:36:39,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:39,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258745613] [2022-09-16 10:36:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:39,387 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 10:36:39,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:39,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258745613] [2022-09-16 10:36:39,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258745613] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:39,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:39,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:36:39,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398732013] [2022-09-16 10:36:39,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:39,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:36:39,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:39,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:36:39,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:36:39,389 INFO L87 Difference]: Start difference. First operand 93344 states and 403087 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 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 10:36:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:40,855 INFO L93 Difference]: Finished difference Result 78089 states and 337657 transitions. [2022-09-16 10:36:40,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:36:40,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 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 54 [2022-09-16 10:36:40,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:42,012 INFO L225 Difference]: With dead ends: 78089 [2022-09-16 10:36:42,013 INFO L226 Difference]: Without dead ends: 78089 [2022-09-16 10:36:42,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:36:42,015 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 273 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:42,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 297 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:36:42,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78089 states. [2022-09-16 10:36:44,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78089 to 78089. [2022-09-16 10:36:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78089 states, 78077 states have (on average 4.324666675205246) internal successors, (337657), 78088 states have internal predecessors, (337657), 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 10:36:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78089 states to 78089 states and 337657 transitions. [2022-09-16 10:36:45,977 INFO L78 Accepts]: Start accepts. Automaton has 78089 states and 337657 transitions. Word has length 54 [2022-09-16 10:36:45,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:45,977 INFO L495 AbstractCegarLoop]: Abstraction has 78089 states and 337657 transitions. [2022-09-16 10:36:45,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 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 10:36:45,978 INFO L276 IsEmpty]: Start isEmpty. Operand 78089 states and 337657 transitions. [2022-09-16 10:36:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:36:46,084 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:46,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:46,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:36:46,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:36:46,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:46,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2054078503, now seen corresponding path program 1 times [2022-09-16 10:36:46,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:46,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413777781] [2022-09-16 10:36:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:46,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:46,225 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 10:36:46,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:46,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413777781] [2022-09-16 10:36:46,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413777781] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:46,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:46,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:36:46,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390619964] [2022-09-16 10:36:46,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:46,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:36:46,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:46,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:36:46,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:36:46,228 INFO L87 Difference]: Start difference. First operand 78089 states and 337657 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 10:36:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:47,474 INFO L93 Difference]: Finished difference Result 74741 states and 324373 transitions. [2022-09-16 10:36:47,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:36:47,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2022-09-16 10:36:47,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:47,476 INFO L225 Difference]: With dead ends: 74741 [2022-09-16 10:36:47,478 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:36:47,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:36:47,490 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 266 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:47,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 309 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:36:47,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:36:47,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:36:47,497 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 10:36:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:36:47,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2022-09-16 10:36:47,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:47,497 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:36:47,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 10:36:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:36:47,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:36:47,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:36:47,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:36:47,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:36:47,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:36:47,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:36:47,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:36:47,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:36:47,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:36:47,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:36:47,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:36:47,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:36:47,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:36:47,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:36:47,505 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:36:47,515 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:36:47,515 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:36:47,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:36:47 BasicIcfg [2022-09-16 10:36:47,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:36:47,522 INFO L158 Benchmark]: Toolchain (without parser) took 50852.10ms. Allocated memory was 196.1MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 139.4MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-09-16 10:36:47,522 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory was 157.3MB in the beginning and 157.2MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:36:47,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.82ms. Allocated memory is still 196.1MB. Free memory was 139.2MB in the beginning and 161.2MB in the end (delta: -22.1MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-09-16 10:36:47,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.85ms. Allocated memory is still 196.1MB. Free memory was 161.2MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:36:47,525 INFO L158 Benchmark]: Boogie Preprocessor took 38.66ms. Allocated memory is still 196.1MB. Free memory was 159.2MB in the beginning and 157.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:36:47,526 INFO L158 Benchmark]: RCFGBuilder took 551.09ms. Allocated memory is still 196.1MB. Free memory was 157.6MB in the beginning and 141.6MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-09-16 10:36:47,531 INFO L158 Benchmark]: TraceAbstraction took 49675.63ms. Allocated memory was 196.1MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 141.1MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-09-16 10:36:47,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory was 157.3MB in the beginning and 157.2MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 521.82ms. Allocated memory is still 196.1MB. Free memory was 139.2MB in the beginning and 161.2MB in the end (delta: -22.1MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.85ms. Allocated memory is still 196.1MB. Free memory was 161.2MB in the beginning and 159.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.66ms. Allocated memory is still 196.1MB. Free memory was 159.2MB in the beginning and 157.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 551.09ms. Allocated memory is still 196.1MB. Free memory was 157.6MB in the beginning and 141.6MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 49675.63ms. Allocated memory was 196.1MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 141.1MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 3.2GB. 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: 740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 740]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 770]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: 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 9 procedures, 157 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 49.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 918 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 918 mSDsluCounter, 1326 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 812 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 541 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213121occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 25.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:36:47,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...