/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-programs/partial_mod_count_limited_gen.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-30 22:56:57,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-30 22:56:57,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-30 22:56:57,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-30 22:56:57,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-30 22:56:57,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-30 22:56:57,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-30 22:56:57,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-30 22:56:57,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-30 22:56:57,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-30 22:56:57,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-30 22:56:57,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-30 22:56:57,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-30 22:56:57,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-30 22:56:57,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-30 22:56:57,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-30 22:56:57,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-30 22:56:57,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-30 22:56:57,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-30 22:56:57,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-30 22:56:57,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-30 22:56:57,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-30 22:56:57,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-30 22:56:57,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-30 22:56:57,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-30 22:56:57,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-30 22:56:57,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-30 22:56:57,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-30 22:56:57,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-30 22:56:57,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-30 22:56:57,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-30 22:56:57,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-30 22:56:57,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-30 22:56:57,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-30 22:56:57,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-30 22:56:57,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-30 22:56:57,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-30 22:56:57,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-30 22:56:57,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-30 22:56:57,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-30 22:56:57,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-30 22:56:57,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-01-30 22:56:57,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-30 22:56:57,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-30 22:56:57,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-30 22:56:57,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-30 22:56:57,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-30 22:56:57,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-30 22:56:57,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-30 22:56:57,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-30 22:56:57,906 INFO L138 SettingsManager]: * Use SBE=true [2022-01-30 22:56:57,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-30 22:56:57,906 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-30 22:56:57,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-30 22:56:57,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-30 22:56:57,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-30 22:56:57,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-30 22:56:57,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-30 22:56:57,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-30 22:56:57,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-30 22:56:57,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-30 22:56:57,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-30 22:56:57,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-30 22:56:57,908 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-30 22:56:57,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-30 22:56:57,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-30 22:56:57,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-30 22:56:58,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-30 22:56:58,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-30 22:56:58,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-30 22:56:58,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-30 22:56:58,127 INFO L275 PluginConnector]: CDTParser initialized [2022-01-30 22:56:58,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/partial_mod_count_limited_gen.c [2022-01-30 22:56:58,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b979ac281/5d1ae237c427451a8ba516eb8087d396/FLAG7b033a862 [2022-01-30 22:56:58,525 INFO L306 CDTParser]: Found 1 translation units. [2022-01-30 22:56:58,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-programs/partial_mod_count_limited_gen.c [2022-01-30 22:56:58,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b979ac281/5d1ae237c427451a8ba516eb8087d396/FLAG7b033a862 [2022-01-30 22:56:58,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b979ac281/5d1ae237c427451a8ba516eb8087d396 [2022-01-30 22:56:58,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-30 22:56:58,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-30 22:56:58,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-30 22:56:58,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-30 22:56:58,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-30 22:56:58,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759fcf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58, skipping insertion in model container [2022-01-30 22:56:58,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-30 22:56:58,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-30 22:56:58,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-programs/partial_mod_count_limited_gen.c[333,346] [2022-01-30 22:56:58,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-30 22:56:58,738 INFO L203 MainTranslator]: Completed pre-run [2022-01-30 22:56:58,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-programs/partial_mod_count_limited_gen.c[333,346] [2022-01-30 22:56:58,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-30 22:56:58,772 INFO L208 MainTranslator]: Completed translation [2022-01-30 22:56:58,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58 WrapperNode [2022-01-30 22:56:58,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-30 22:56:58,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-30 22:56:58,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-30 22:56:58,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-30 22:56:58,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-30 22:56:58,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-30 22:56:58,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-30 22:56:58,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-30 22:56:58,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (1/1) ... [2022-01-30 22:56:58,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-30 22:56:58,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-30 22:56:58,837 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) [2022-01-30 22:56:58,859 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 [2022-01-30 22:56:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-30 22:56:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-30 22:56:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-30 22:56:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-30 22:56:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-30 22:56:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-30 22:56:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-30 22:56:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-30 22:56:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-30 22:56:58,912 INFO L234 CfgBuilder]: Building ICFG [2022-01-30 22:56:58,914 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-30 22:56:59,055 INFO L275 CfgBuilder]: Performing block encoding [2022-01-30 22:56:59,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-30 22:56:59,059 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-30 22:56:59,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 10:56:59 BoogieIcfgContainer [2022-01-30 22:56:59,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-30 22:56:59,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-30 22:56:59,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-30 22:56:59,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-30 22:56:59,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 10:56:58" (1/3) ... [2022-01-30 22:56:59,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4540c7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 10:56:59, skipping insertion in model container [2022-01-30 22:56:59,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 10:56:58" (2/3) ... [2022-01-30 22:56:59,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4540c7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 10:56:59, skipping insertion in model container [2022-01-30 22:56:59,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 10:56:59" (3/3) ... [2022-01-30 22:56:59,065 INFO L111 eAbstractionObserver]: Analyzing ICFG partial_mod_count_limited_gen.c [2022-01-30 22:56:59,068 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-30 22:56:59,068 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-30 22:56:59,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-30 22:56:59,100 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=PETRI_NET, 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 [2022-01-30 22:56:59,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-30 22:56:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-01-30 22:56:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-30 22:56:59,112 INFO L506 BasicCegarLoop]: Found error trace [2022-01-30 22:56:59,112 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-30 22:56:59,113 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-30 22:56:59,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-30 22:56:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash -854903554, now seen corresponding path program 1 times [2022-01-30 22:56:59,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-30 22:56:59,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606552781] [2022-01-30 22:56:59,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-30 22:56:59,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-30 22:56:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-30 22:56:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-30 22:56:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-30 22:56:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-30 22:56:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-30 22:56:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-01-30 22:56:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-30 22:56:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-30 22:56:59,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-30 22:56:59,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606552781] [2022-01-30 22:56:59,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606552781] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-30 22:56:59,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-30 22:56:59,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-30 22:56:59,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425588101] [2022-01-30 22:56:59,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-30 22:56:59,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-30 22:56:59,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-30 22:56:59,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-30 22:56:59,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-30 22:56:59,319 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-30 22:56:59,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-30 22:56:59,385 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2022-01-30 22:56:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-30 22:56:59,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-01-30 22:56:59,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-30 22:56:59,391 INFO L225 Difference]: With dead ends: 61 [2022-01-30 22:56:59,391 INFO L226 Difference]: Without dead ends: 29 [2022-01-30 22:56:59,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-30 22:56:59,397 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 26 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-30 22:56:59,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 32 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-30 22:56:59,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-01-30 22:56:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-01-30 22:56:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-30 22:56:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2022-01-30 22:56:59,420 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 25 [2022-01-30 22:56:59,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-30 22:56:59,420 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2022-01-30 22:56:59,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-30 22:56:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-01-30 22:56:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-30 22:56:59,421 INFO L506 BasicCegarLoop]: Found error trace [2022-01-30 22:56:59,421 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-30 22:56:59,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-30 22:56:59,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-30 22:56:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-30 22:56:59,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2109881278, now seen corresponding path program 1 times [2022-01-30 22:56:59,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-30 22:56:59,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512110500] [2022-01-30 22:56:59,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-30 22:56:59,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-30 22:56:59,436 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-30 22:56:59,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1297837700] [2022-01-30 22:56:59,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-30 22:56:59,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-30 22:56:59,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-30 22:56:59,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-30 22:56:59,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-30 22:56:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-30 22:56:59,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-30 22:56:59,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-30 22:56:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-30 22:56:59,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-30 22:56:59,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-30 22:56:59,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512110500] [2022-01-30 22:56:59,619 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-30 22:56:59,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297837700] [2022-01-30 22:56:59,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297837700] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-30 22:56:59,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-30 22:56:59,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-30 22:56:59,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926835040] [2022-01-30 22:56:59,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-30 22:56:59,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-30 22:56:59,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-30 22:56:59,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-30 22:56:59,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-30 22:56:59,627 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-30 22:57:14,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-30 22:57:14,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-30 22:57:14,085 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2022-01-30 22:57:14,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-30 22:57:14,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-01-30 22:57:14,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-30 22:57:14,100 INFO L225 Difference]: With dead ends: 54 [2022-01-30 22:57:14,100 INFO L226 Difference]: Without dead ends: 43 [2022-01-30 22:57:14,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-30 22:57:14,101 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 33 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-01-30 22:57:14,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 48 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2022-01-30 22:57:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-01-30 22:57:14,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 30. [2022-01-30 22:57:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-30 22:57:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2022-01-30 22:57:14,107 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 25 [2022-01-30 22:57:14,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-30 22:57:14,108 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2022-01-30 22:57:14,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-30 22:57:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2022-01-30 22:57:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-30 22:57:14,109 INFO L506 BasicCegarLoop]: Found error trace [2022-01-30 22:57:14,109 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-30 22:57:14,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-30 22:57:14,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-30 22:57:14,327 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-30 22:57:14,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-30 22:57:14,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1627733359, now seen corresponding path program 1 times [2022-01-30 22:57:14,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-30 22:57:14,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799706541] [2022-01-30 22:57:14,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-30 22:57:14,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-30 22:57:14,343 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-30 22:57:14,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614299918] [2022-01-30 22:57:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-30 22:57:14,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-30 22:57:14,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-30 22:57:14,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-30 22:57:14,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-30 22:57:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-30 22:57:14,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-30 22:57:14,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-30 22:57:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-30 22:57:14,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-30 22:57:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-30 22:57:14,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-30 22:57:14,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799706541] [2022-01-30 22:57:14,548 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-30 22:57:14,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614299918] [2022-01-30 22:57:14,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614299918] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-30 22:57:14,548 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-30 22:57:14,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-01-30 22:57:14,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424852271] [2022-01-30 22:57:14,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-30 22:57:14,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-30 22:57:14,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-30 22:57:14,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-30 22:57:14,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-30 22:57:14,550 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-30 22:57:16,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-30 22:57:16,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-30 22:57:16,725 INFO L93 Difference]: Finished difference Result 66 states and 82 transitions. [2022-01-30 22:57:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-30 22:57:16,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 30 [2022-01-30 22:57:16,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-30 22:57:16,726 INFO L225 Difference]: With dead ends: 66 [2022-01-30 22:57:16,726 INFO L226 Difference]: Without dead ends: 55 [2022-01-30 22:57:16,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2022-01-30 22:57:16,728 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 128 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-30 22:57:16,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 53 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-30 22:57:16,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-01-30 22:57:16,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2022-01-30 22:57:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-30 22:57:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-01-30 22:57:16,734 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 30 [2022-01-30 22:57:16,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-30 22:57:16,734 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-01-30 22:57:16,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-30 22:57:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-01-30 22:57:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-01-30 22:57:16,735 INFO L506 BasicCegarLoop]: Found error trace [2022-01-30 22:57:16,735 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-30 22:57:16,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-30 22:57:16,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-01-30 22:57:16,936 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-30 22:57:16,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-30 22:57:16,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2002683010, now seen corresponding path program 2 times [2022-01-30 22:57:16,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-30 22:57:16,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231204731] [2022-01-30 22:57:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-30 22:57:16,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-30 22:57:16,954 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-30 22:57:16,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [65044958] [2022-01-30 22:57:16,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-30 22:57:16,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-30 22:57:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-30 22:57:16,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-30 22:57:16,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-30 22:57:17,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-30 22:57:17,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-30 22:57:17,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-30 22:57:17,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-30 22:57:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-30 22:57:17,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-30 22:57:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-30 22:57:17,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-30 22:57:17,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231204731] [2022-01-30 22:57:17,383 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-30 22:57:17,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65044958] [2022-01-30 22:57:17,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65044958] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-30 22:57:17,383 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-30 22:57:17,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-01-30 22:57:17,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725527629] [2022-01-30 22:57:17,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-30 22:57:17,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-30 22:57:17,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-30 22:57:17,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-30 22:57:17,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-01-30 22:57:17,385 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-30 22:57:20,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-30 22:57:20,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-30 22:57:20,344 INFO L93 Difference]: Finished difference Result 128 states and 175 transitions. [2022-01-30 22:57:20,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-30 22:57:20,344 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2022-01-30 22:57:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-30 22:57:20,346 INFO L225 Difference]: With dead ends: 128 [2022-01-30 22:57:20,346 INFO L226 Difference]: Without dead ends: 117 [2022-01-30 22:57:20,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2022-01-30 22:57:20,347 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 268 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 94 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-01-30 22:57:20,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 90 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 123 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-01-30 22:57:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-01-30 22:57:20,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 75. [2022-01-30 22:57:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-30 22:57:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2022-01-30 22:57:20,357 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 45 [2022-01-30 22:57:20,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-30 22:57:20,357 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2022-01-30 22:57:20,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2022-01-30 22:57:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2022-01-30 22:57:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-01-30 22:57:20,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-30 22:57:20,359 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-30 22:57:20,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-30 22:57:20,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-30 22:57:20,576 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-30 22:57:20,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-30 22:57:20,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1202436322, now seen corresponding path program 3 times [2022-01-30 22:57:20,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-30 22:57:20,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990512268] [2022-01-30 22:57:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-30 22:57:20,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-30 22:57:20,601 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-30 22:57:20,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339289782] [2022-01-30 22:57:20,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-30 22:57:20,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-30 22:57:20,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-30 22:57:20,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-30 22:57:20,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process