/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 -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:45:09,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:45:09,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:45:09,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 21:45:09,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 21:45:09,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 21:45:09,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 21:45:09,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 21:45:09,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 21:45:09,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 21:45:09,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 21:45:09,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 21:45:09,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 21:45:09,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 21:45:09,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 21:45:09,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 21:45:09,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 21:45:09,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:45:09,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:45:09,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:45:09,573 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 [2022-02-10 21:45:09,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:45:09,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:45:09,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:45:09,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:45:09,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:45:09,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:45:09,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:45:09,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:45:09,587 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:45:09,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:45:09,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:45:09,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:45:09,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:45:09,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:45:09,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:45:09,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:45:09,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:45:09,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:45:09,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:45:09,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:45:09,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:45:09,777 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:45:09,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-10 21:45:09,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93e4b3d3/72b48b51a36349deba750476f850be59/FLAG3c5ccc82c [2022-02-10 21:45:10,235 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:45:10,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-10 21:45:10,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93e4b3d3/72b48b51a36349deba750476f850be59/FLAG3c5ccc82c [2022-02-10 21:45:10,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93e4b3d3/72b48b51a36349deba750476f850be59 [2022-02-10 21:45:10,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:45:10,602 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:45:10,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:45:10,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:45:10,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:45:10,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:10,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4e38f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10, skipping insertion in model container [2022-02-10 21:45:10,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:10,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:45:10,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:45:10,770 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/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-10 21:45:10,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:45:10,905 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:45:10,920 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/safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-10 21:45:10,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:45:10,974 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:45:10,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10 WrapperNode [2022-02-10 21:45:10,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:45:10,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:45:10,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:45:10,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:45:10,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,029 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-02-10 21:45:11,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:45:11,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:45:11,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:45:11,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:45:11,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:45:11,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:45:11,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:45:11,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:45:11,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (1/1) ... [2022-02-10 21:45:11,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:45:11,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:45:11,112 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) [2022-02-10 21:45:11,118 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 [2022-02-10 21:45:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:45:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 21:45:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:45:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:45:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:45:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-10 21:45:11,140 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-10 21:45:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-10 21:45:11,140 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-10 21:45:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-10 21:45:11,140 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-10 21:45:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:45:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 21:45:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:45:11,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:45:11,141 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:45:11,244 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:45:11,246 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:45:11,397 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:45:11,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:45:11,403 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 21:45:11,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:45:11 BoogieIcfgContainer [2022-02-10 21:45:11,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:45:11,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:45:11,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:45:11,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:45:11,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:45:10" (1/3) ... [2022-02-10 21:45:11,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec34a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:45:11, skipping insertion in model container [2022-02-10 21:45:11,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:45:10" (2/3) ... [2022-02-10 21:45:11,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec34a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:45:11, skipping insertion in model container [2022-02-10 21:45:11,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:45:11" (3/3) ... [2022-02-10 21:45:11,410 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-10 21:45:11,414 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:45:11,414 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:45:11,415 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 21:45:11,415 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:45:11,437 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,437 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,438 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,438 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,438 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,438 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,438 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,438 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,439 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,439 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,439 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,439 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,439 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,439 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,440 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,440 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,440 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,440 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,440 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,440 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,441 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,442 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,442 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,442 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,442 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,442 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,442 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,443 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,443 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,445 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,445 WARN L322 ript$VariableManager]: TermVariable P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,446 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,446 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,447 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,448 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,448 WARN L322 ript$VariableManager]: TermVariable P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,448 WARN L322 ript$VariableManager]: TermVariable |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,448 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,449 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,449 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,449 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:45:11,449 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 21:45:11,479 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:45:11,484 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:45:11,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 21:45:11,492 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 92 transitions, 199 flow [2022-02-10 21:45:11,712 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6591 states, 6590 states have (on average 3.504855842185129) internal successors, (23097), 6590 states have internal predecessors, (23097), 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) [2022-02-10 21:45:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 6591 states, 6590 states have (on average 3.504855842185129) internal successors, (23097), 6590 states have internal predecessors, (23097), 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) [2022-02-10 21:45:11,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-10 21:45:11,765 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:45:11,766 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:45:11,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 21:45:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:45:11,770 INFO L85 PathProgramCache]: Analyzing trace with hash -669003802, now seen corresponding path program 1 times [2022-02-10 21:45:11,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:45:11,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556394247] [2022-02-10 21:45:11,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:45:11,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:45:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:45:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:45:12,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:45:12,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556394247] [2022-02-10 21:45:12,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556394247] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:45:12,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:45:12,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:45:12,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433603188] [2022-02-10 21:45:12,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:45:12,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:45:12,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:45:12,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:45:12,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:45:12,264 INFO L87 Difference]: Start difference. First operand has 6591 states, 6590 states have (on average 3.504855842185129) internal successors, (23097), 6590 states have internal predecessors, (23097), 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 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2022-02-10 21:45:12,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:45:12,585 INFO L93 Difference]: Finished difference Result 11877 states and 40253 transitions. [2022-02-10 21:45:12,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 21:45:12,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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 55 [2022-02-10 21:45:12,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:45:12,710 INFO L225 Difference]: With dead ends: 11877 [2022-02-10 21:45:12,710 INFO L226 Difference]: Without dead ends: 7945 [2022-02-10 21:45:12,712 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-02-10 21:45:12,715 INFO L934 BasicCegarLoop]: 128 mSDtfsCounter, 209 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:45:12,717 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 561 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:45:12,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7945 states. [2022-02-10 21:45:12,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7945 to 6692. [2022-02-10 21:45:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6692 states, 6691 states have (on average 3.367956957106561) internal successors, (22535), 6691 states have internal predecessors, (22535), 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) [2022-02-10 21:45:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6692 states to 6692 states and 22535 transitions. [2022-02-10 21:45:13,054 INFO L78 Accepts]: Start accepts. Automaton has 6692 states and 22535 transitions. Word has length 55 [2022-02-10 21:45:13,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:45:13,055 INFO L470 AbstractCegarLoop]: Abstraction has 6692 states and 22535 transitions. [2022-02-10 21:45:13,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 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) [2022-02-10 21:45:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 6692 states and 22535 transitions. [2022-02-10 21:45:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 21:45:13,072 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:45:13,072 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:45:13,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:45:13,073 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 21:45:13,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:45:13,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1483724411, now seen corresponding path program 1 times [2022-02-10 21:45:13,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:45:13,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252863367] [2022-02-10 21:45:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:45:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:45:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:45:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:45:13,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:45:13,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252863367] [2022-02-10 21:45:13,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252863367] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:45:13,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:45:13,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:45:13,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072066523] [2022-02-10 21:45:13,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:45:13,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:45:13,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:45:13,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:45:13,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:45:13,287 INFO L87 Difference]: Start difference. First operand 6692 states and 22535 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2022-02-10 21:45:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:45:13,685 INFO L93 Difference]: Finished difference Result 10586 states and 35274 transitions. [2022-02-10 21:45:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 21:45:13,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 57 [2022-02-10 21:45:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:45:13,740 INFO L225 Difference]: With dead ends: 10586 [2022-02-10 21:45:13,740 INFO L226 Difference]: Without dead ends: 8086 [2022-02-10 21:45:13,743 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-02-10 21:45:13,745 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 241 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:45:13,745 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 663 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:45:13,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8086 states. [2022-02-10 21:45:13,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8086 to 6677. [2022-02-10 21:45:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6677 states, 6676 states have (on average 3.355751947273817) internal successors, (22403), 6676 states have internal predecessors, (22403), 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) [2022-02-10 21:45:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 22403 transitions. [2022-02-10 21:45:13,987 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 22403 transitions. Word has length 57 [2022-02-10 21:45:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:45:13,988 INFO L470 AbstractCegarLoop]: Abstraction has 6677 states and 22403 transitions. [2022-02-10 21:45:13,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2022-02-10 21:45:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 22403 transitions. [2022-02-10 21:45:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-10 21:45:14,002 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:45:14,002 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:45:14,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:45:14,002 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 21:45:14,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:45:14,003 INFO L85 PathProgramCache]: Analyzing trace with hash 62879782, now seen corresponding path program 1 times [2022-02-10 21:45:14,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:45:14,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156982429] [2022-02-10 21:45:14,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:45:14,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:45:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:45:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:45:14,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:45:14,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156982429] [2022-02-10 21:45:14,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156982429] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:45:14,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:45:14,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:45:14,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393305893] [2022-02-10 21:45:14,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:45:14,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:45:14,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:45:14,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:45:14,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:45:14,169 INFO L87 Difference]: Start difference. First operand 6677 states and 22403 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-02-10 21:45:14,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:45:14,391 INFO L93 Difference]: Finished difference Result 8771 states and 29106 transitions. [2022-02-10 21:45:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-10 21:45:14,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2022-02-10 21:45:14,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:45:14,424 INFO L225 Difference]: With dead ends: 8771 [2022-02-10 21:45:14,424 INFO L226 Difference]: Without dead ends: 7496 [2022-02-10 21:45:14,425 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-02-10 21:45:14,429 INFO L934 BasicCegarLoop]: 118 mSDtfsCounter, 184 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:45:14,431 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 555 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:45:14,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7496 states. [2022-02-10 21:45:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7496 to 6387. [2022-02-10 21:45:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6387 states, 6386 states have (on average 3.3434074538051988) internal successors, (21351), 6386 states have internal predecessors, (21351), 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) [2022-02-10 21:45:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6387 states to 6387 states and 21351 transitions. [2022-02-10 21:45:14,696 INFO L78 Accepts]: Start accepts. Automaton has 6387 states and 21351 transitions. Word has length 59 [2022-02-10 21:45:14,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:45:14,697 INFO L470 AbstractCegarLoop]: Abstraction has 6387 states and 21351 transitions. [2022-02-10 21:45:14,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2022-02-10 21:45:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 6387 states and 21351 transitions. [2022-02-10 21:45:14,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-10 21:45:14,711 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:45:14,711 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:45:14,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:45:14,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 21:45:14,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:45:14,714 INFO L85 PathProgramCache]: Analyzing trace with hash 731264860, now seen corresponding path program 1 times [2022-02-10 21:45:14,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:45:14,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067321540] [2022-02-10 21:45:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:45:14,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:45:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:45:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:45:14,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:45:14,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067321540] [2022-02-10 21:45:14,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067321540] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:45:14,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:45:14,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:45:14,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272854928] [2022-02-10 21:45:14,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:45:14,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:45:14,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:45:14,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:45:14,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:45:14,816 INFO L87 Difference]: Start difference. First operand 6387 states and 21351 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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) [2022-02-10 21:45:15,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:45:15,059 INFO L93 Difference]: Finished difference Result 8575 states and 28184 transitions. [2022-02-10 21:45:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:45:15,060 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 60 [2022-02-10 21:45:15,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:45:15,071 INFO L225 Difference]: With dead ends: 8575 [2022-02-10 21:45:15,071 INFO L226 Difference]: Without dead ends: 3740 [2022-02-10 21:45:15,071 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-02-10 21:45:15,072 INFO L934 BasicCegarLoop]: 116 mSDtfsCounter, 249 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:45:15,072 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 577 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:45:15,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-02-10 21:45:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3252. [2022-02-10 21:45:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 3251 states have (on average 3.1934789295601353) internal successors, (10382), 3251 states have internal predecessors, (10382), 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) [2022-02-10 21:45:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 10382 transitions. [2022-02-10 21:45:15,150 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 10382 transitions. Word has length 60 [2022-02-10 21:45:15,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:45:15,150 INFO L470 AbstractCegarLoop]: Abstraction has 3252 states and 10382 transitions. [2022-02-10 21:45:15,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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) [2022-02-10 21:45:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 10382 transitions. [2022-02-10 21:45:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-10 21:45:15,157 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:45:15,157 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:45:15,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 21:45:15,157 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 21:45:15,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:45:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash 949827269, now seen corresponding path program 1 times [2022-02-10 21:45:15,158 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:45:15,158 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647677071] [2022-02-10 21:45:15,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:45:15,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:45:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:45:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:45:15,242 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:45:15,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647677071] [2022-02-10 21:45:15,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647677071] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:45:15,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:45:15,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:45:15,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391934874] [2022-02-10 21:45:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:45:15,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:45:15,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:45:15,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:45:15,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:45:15,245 INFO L87 Difference]: Start difference. First operand 3252 states and 10382 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2022-02-10 21:45:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:45:15,321 INFO L93 Difference]: Finished difference Result 4340 states and 13870 transitions. [2022-02-10 21:45:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 21:45:15,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 63 [2022-02-10 21:45:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:45:15,328 INFO L225 Difference]: With dead ends: 4340 [2022-02-10 21:45:15,328 INFO L226 Difference]: Without dead ends: 2240 [2022-02-10 21:45:15,328 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-02-10 21:45:15,329 INFO L934 BasicCegarLoop]: 95 mSDtfsCounter, 137 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:45:15,329 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 462 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:45:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2022-02-10 21:45:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2240. [2022-02-10 21:45:15,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2240 states, 2239 states have (on average 3.0995980348369807) internal successors, (6940), 2239 states have internal predecessors, (6940), 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) [2022-02-10 21:45:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 6940 transitions. [2022-02-10 21:45:15,414 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 6940 transitions. Word has length 63 [2022-02-10 21:45:15,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:45:15,414 INFO L470 AbstractCegarLoop]: Abstraction has 2240 states and 6940 transitions. [2022-02-10 21:45:15,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2022-02-10 21:45:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 6940 transitions. [2022-02-10 21:45:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-10 21:45:15,419 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:45:15,419 INFO L515 BasicCegarLoop]: 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] [2022-02-10 21:45:15,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 21:45:15,419 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 21:45:15,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:45:15,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2036452909, now seen corresponding path program 1 times [2022-02-10 21:45:15,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:45:15,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895372358] [2022-02-10 21:45:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:45:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:45:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:45:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:45:15,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:45:15,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895372358] [2022-02-10 21:45:15,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895372358] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:45:15,510 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:45:15,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:45:15,510 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183345453] [2022-02-10 21:45:15,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:45:15,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:45:15,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:45:15,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:45:15,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:45:15,511 INFO L87 Difference]: Start difference. First operand 2240 states and 6940 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:45:15,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:45:15,569 INFO L93 Difference]: Finished difference Result 2112 states and 6524 transitions. [2022-02-10 21:45:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 21:45:15,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-10 21:45:15,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:45:15,569 INFO L225 Difference]: With dead ends: 2112 [2022-02-10 21:45:15,569 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 21:45:15,570 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:45:15,570 INFO L934 BasicCegarLoop]: 91 mSDtfsCounter, 111 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:45:15,570 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 383 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:45:15,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 21:45:15,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 21:45:15,571 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) [2022-02-10 21:45:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 21:45:15,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-02-10 21:45:15,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:45:15,571 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 21:45:15,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:45:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 21:45:15,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 21:45:15,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-10 21:45:15,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-10 21:45:15,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-10 21:45:15,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-10 21:45:15,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 21:45:15,576 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-10 21:45:15,578 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:45:15,578 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:45:15,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:45:15 BasicIcfg [2022-02-10 21:45:15,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:45:15,580 INFO L158 Benchmark]: Toolchain (without parser) took 4978.27ms. Allocated memory was 192.9MB in the beginning and 768.6MB in the end (delta: 575.7MB). Free memory was 134.6MB in the beginning and 557.6MB in the end (delta: -423.0MB). Peak memory consumption was 152.5MB. Max. memory is 8.0GB. [2022-02-10 21:45:15,580 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:45:15,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.02ms. Allocated memory was 192.9MB in the beginning and 257.9MB in the end (delta: 65.0MB). Free memory was 134.4MB in the beginning and 219.5MB in the end (delta: -85.0MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-02-10 21:45:15,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.55ms. Allocated memory is still 257.9MB. Free memory was 219.5MB in the beginning and 217.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:45:15,581 INFO L158 Benchmark]: Boogie Preprocessor took 46.70ms. Allocated memory is still 257.9MB. Free memory was 217.4MB in the beginning and 215.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:45:15,581 INFO L158 Benchmark]: RCFGBuilder took 326.87ms. Allocated memory is still 257.9MB. Free memory was 215.8MB in the beginning and 203.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-10 21:45:15,581 INFO L158 Benchmark]: TraceAbstraction took 4173.66ms. Allocated memory was 257.9MB in the beginning and 768.6MB in the end (delta: 510.7MB). Free memory was 202.7MB in the beginning and 557.6MB in the end (delta: -354.9MB). Peak memory consumption was 157.3MB. Max. memory is 8.0GB. [2022-02-10 21:45:15,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 372.02ms. Allocated memory was 192.9MB in the beginning and 257.9MB in the end (delta: 65.0MB). Free memory was 134.4MB in the beginning and 219.5MB in the end (delta: -85.0MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.55ms. Allocated memory is still 257.9MB. Free memory was 219.5MB in the beginning and 217.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.70ms. Allocated memory is still 257.9MB. Free memory was 217.4MB in the beginning and 215.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 326.87ms. Allocated memory is still 257.9MB. Free memory was 215.8MB in the beginning and 203.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4173.66ms. Allocated memory was 257.9MB in the beginning and 768.6MB in the end (delta: 510.7MB). Free memory was 202.7MB in the beginning and 557.6MB in the end (delta: -354.9MB). Peak memory consumption was 157.3MB. 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: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1131 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1131 mSDsluCounter, 3201 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2587 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 684 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6692occurred in iteration=1, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4259 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 21:45:15,609 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...