/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:11:33,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:11:33,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:11:33,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:11:33,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:11:33,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:11:33,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:11:33,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:11:33,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:11:33,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:11:33,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:11:33,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:11:33,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:11:33,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:11:33,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:11:33,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:11:33,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:11:33,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:11:33,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:11:33,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:11:33,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:11:33,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:11:33,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:11:33,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:11:33,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:11:33,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:11:33,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:11:33,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:11:33,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:11:33,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:11:33,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:11:33,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:11:33,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:11:33,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:11:33,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:11:33,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:11:33,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:11:33,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:11:33,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:11:33,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:11:33,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:11:33,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 11:11:33,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:11:33,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:11:33,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:11:33,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:11:33,723 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:11:33,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:11:33,723 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:11:33,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:11:33,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:11:33,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:11:33,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:11:33,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:11:33,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:11:33,725 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:11:33,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:11:33,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:11:33,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:11:33,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:11:33,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:11:33,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:11:33,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:11:33,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:11:33,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:11:33,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:11:33,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:11:33,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:11:33,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:11:33,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:11:33,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:11:33,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:11:34,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:11:34,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:11:34,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:11:34,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:11:34,212 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:11:34,213 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 11:11:34,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa283b362/7efa345587ce4823a90a0dea249452fe/FLAG07e9c25b3 [2020-09-25 11:11:34,975 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:11:34,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 11:11:34,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa283b362/7efa345587ce4823a90a0dea249452fe/FLAG07e9c25b3 [2020-09-25 11:11:35,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa283b362/7efa345587ce4823a90a0dea249452fe [2020-09-25 11:11:35,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:11:35,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:11:35,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:11:35,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:11:35,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:11:35,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5646ff8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35, skipping insertion in model container [2020-09-25 11:11:35,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:11:35,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:11:35,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:11:35,795 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:11:35,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:11:35,913 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:11:35,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35 WrapperNode [2020-09-25 11:11:35,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:11:35,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:11:35,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:11:35,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:11:35,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... [2020-09-25 11:11:35,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:11:35,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:11:35,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:11:35,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:11:35,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:11:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:11:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:11:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 11:11:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-09-25 11:11:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-09-25 11:11:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 11:11:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-25 11:11:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:11:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:11:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 11:11:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-25 11:11:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-25 11:11:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-25 11:11:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-25 11:11:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-25 11:11:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-25 11:11:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-25 11:11:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-25 11:11:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-25 11:11:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-25 11:11:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-25 11:11:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-25 11:11:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-25 11:11:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-25 11:11:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-25 11:11:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-25 11:11:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-25 11:11:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-25 11:11:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-25 11:11:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-25 11:11:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-25 11:11:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-25 11:11:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-25 11:11:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-25 11:11:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-25 11:11:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-25 11:11:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-25 11:11:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-25 11:11:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-25 11:11:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-25 11:11:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-25 11:11:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-25 11:11:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-25 11:11:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-25 11:11:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-25 11:11:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-25 11:11:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-25 11:11:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-25 11:11:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:11:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-25 11:11:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-25 11:11:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-25 11:11:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-25 11:11:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 11:11:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-25 11:11:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-25 11:11:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-25 11:11:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-25 11:11:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-25 11:11:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-25 11:11:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-25 11:11:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-25 11:11:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-25 11:11:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-25 11:11:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 11:11:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-25 11:11:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-25 11:11:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-25 11:11:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-25 11:11:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-25 11:11:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-25 11:11:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-25 11:11:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-25 11:11:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-25 11:11:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-25 11:11:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-25 11:11:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-25 11:11:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-25 11:11:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-25 11:11:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-25 11:11:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-25 11:11:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-25 11:11:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-25 11:11:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 11:11:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-25 11:11:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-25 11:11:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-25 11:11:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-25 11:11:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-25 11:11:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-25 11:11:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-25 11:11:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-25 11:11:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-25 11:11:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-25 11:11:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-25 11:11:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-25 11:11:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-25 11:11:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-25 11:11:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-25 11:11:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-25 11:11:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-25 11:11:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-25 11:11:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-25 11:11:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-25 11:11:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-25 11:11:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-25 11:11:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-25 11:11:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-25 11:11:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-25 11:11:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-25 11:11:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-25 11:11:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:11:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 11:11:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 11:11:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:11:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 11:11:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-25 11:11:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 11:11:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-25 11:11:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-25 11:11:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-25 11:11:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-25 11:11:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-25 11:11:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-25 11:11:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-25 11:11:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-25 11:11:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-25 11:11:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-25 11:11:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-25 11:11:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:11:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-09-25 11:11:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-09-25 11:11:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 11:11:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-25 11:11:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:11:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:11:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:11:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 11:11:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:11:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:11:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:11:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:11:36,641 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:11:36,641 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 11:11:36,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:11:36 BoogieIcfgContainer [2020-09-25 11:11:36,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:11:36,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:11:36,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:11:36,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:11:36,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:11:35" (1/3) ... [2020-09-25 11:11:36,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209d96eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:11:36, skipping insertion in model container [2020-09-25 11:11:36,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:11:35" (2/3) ... [2020-09-25 11:11:36,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209d96eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:11:36, skipping insertion in model container [2020-09-25 11:11:36,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:11:36" (3/3) ... [2020-09-25 11:11:36,657 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-09-25 11:11:36,670 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:11:36,682 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:11:36,706 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:11:36,741 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:11:36,741 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:11:36,741 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:11:36,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:11:36,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:11:36,742 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:11:36,742 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:11:36,742 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:11:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-09-25 11:11:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-25 11:11:36,777 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:11:36,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:11:36,779 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:11:36,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:11:36,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1653885127, now seen corresponding path program 1 times [2020-09-25 11:11:36,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:11:36,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190494595] [2020-09-25 11:11:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:11:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:37,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:37,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:37,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 11:11:37,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:37,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-09-25 11:11:37,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:37,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:11:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 11:11:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:11:37,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-09-25 11:11:37,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:37,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:37,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:37,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:11:37,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 11:11:37,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:37,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:11:37,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190494595] [2020-09-25 11:11:37,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:11:37,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:11:37,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552930662] [2020-09-25 11:11:37,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:11:37,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:11:37,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:11:37,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:11:37,589 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 7 states. [2020-09-25 11:11:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:11:38,073 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-09-25 11:11:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 11:11:38,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-09-25 11:11:38,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:11:38,092 INFO L225 Difference]: With dead ends: 126 [2020-09-25 11:11:38,092 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 11:11:38,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:11:38,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 11:11:38,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-09-25 11:11:38,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 11:11:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-09-25 11:11:38,168 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 21 [2020-09-25 11:11:38,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:11:38,168 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-09-25 11:11:38,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:11:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-09-25 11:11:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 11:11:38,173 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:11:38,173 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2020-09-25 11:11:38,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:11:38,174 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:11:38,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:11:38,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1154270079, now seen corresponding path program 1 times [2020-09-25 11:11:38,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:11:38,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221570378] [2020-09-25 11:11:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:11:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:38,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:38,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:39,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:42,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:42,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 11:11:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:11:42,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4395 [2020-09-25 11:11:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:42,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:11:42,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 11:11:42,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 11:11:42,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:11:42,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:42,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:42,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:42,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:11:42,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:42,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 11:11:42,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:42,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:42,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:11:42,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:11:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:43,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:11:43,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 11:11:43,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:43,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:11:43,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:43,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:43,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:43,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:43,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:11:43,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:11:43,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:43,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:43,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:11:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:11:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:43,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:43,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:43,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:11:43,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:43,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 11:11:43,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:43,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:11:43,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:43,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:43,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:11:43,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:43,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:11:43,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:43,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:43,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 11:11:43,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221570378] [2020-09-25 11:11:43,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:11:43,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:11:43,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660702912] [2020-09-25 11:11:43,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:11:43,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:11:43,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:11:43,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:11:43,161 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 8 states. [2020-09-25 11:11:43,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:11:43,878 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2020-09-25 11:11:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:11:43,879 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-09-25 11:11:43,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:11:43,883 INFO L225 Difference]: With dead ends: 101 [2020-09-25 11:11:43,883 INFO L226 Difference]: Without dead ends: 88 [2020-09-25 11:11:43,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:11:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-09-25 11:11:43,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 81. [2020-09-25 11:11:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-25 11:11:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2020-09-25 11:11:43,922 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 61 [2020-09-25 11:11:43,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:11:43,925 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2020-09-25 11:11:43,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:11:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2020-09-25 11:11:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 11:11:43,931 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:11:43,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:11:43,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:11:43,931 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:11:43,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:11:43,932 INFO L82 PathProgramCache]: Analyzing trace with hash -497938342, now seen corresponding path program 1 times [2020-09-25 11:11:43,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:11:43,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918185967] [2020-09-25 11:11:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:11:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:44,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:44,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:45,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:48,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:48,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 11:11:48,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:11:48,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 11:11:48,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:48,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 11:11:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 11:11:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:11:48,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:49,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:49,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:49,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:11:49,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 11:11:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:49,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:11:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:11:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:49,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:49,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:49,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:11:49,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 11:11:49,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:49,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:11:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:49,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:49,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:11:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:11:49,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:49,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:49,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:11:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:49,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:49,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:49,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:11:49,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:49,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 11:11:49,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:49,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:49,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:11:49,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:49,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:49,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:49,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:11:49,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:49,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:11:49,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:49,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:49,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:49,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:11:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 11:11:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:49,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:49,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:49,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:11:49,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:49,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 11:11:49,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:49,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:11:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:11:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:11:49,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 11:11:49,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918185967] [2020-09-25 11:11:49,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:11:49,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 11:11:49,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4902947] [2020-09-25 11:11:49,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:11:49,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:11:49,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:11:49,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:11:49,327 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 9 states. [2020-09-25 11:11:49,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:11:49,923 INFO L93 Difference]: Finished difference Result 96 states and 103 transitions. [2020-09-25 11:11:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:11:49,924 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-25 11:11:49,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:11:49,926 INFO L225 Difference]: With dead ends: 96 [2020-09-25 11:11:49,927 INFO L226 Difference]: Without dead ends: 91 [2020-09-25 11:11:49,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 11:11:49,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-25 11:11:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-09-25 11:11:49,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-09-25 11:11:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2020-09-25 11:11:49,941 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 70 [2020-09-25 11:11:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:11:49,942 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2020-09-25 11:11:49,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:11:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2020-09-25 11:11:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 11:11:49,944 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:11:49,944 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:11:49,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:11:49,945 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:11:49,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:11:49,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1150537932, now seen corresponding path program 1 times [2020-09-25 11:11:49,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:11:49,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711136428] [2020-09-25 11:11:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:11:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:50,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:51,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:54,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:54,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 11:11:54,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:11:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4076 [2020-09-25 11:11:54,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:54,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:54,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 11:11:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 11:11:54,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 11:11:54,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:54,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:54,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:54,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:54,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:11:54,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:54,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 11:11:54,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:54,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:11:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:11:54,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:11:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:54,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:54,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:54,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:11:54,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 11:11:54,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:54,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:54,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:11:54,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:54,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:54,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:54,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:11:54,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:54,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:11:54,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:54,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:54,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:11:54,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:54,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:11:54,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:54,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:11:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:54,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:54,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:54,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:11:54,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:54,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 11:11:54,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:54,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:11:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:11:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:54,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:11:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:54,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:54,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:54,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:11:54,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:54,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 11:11:54,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:54,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:11:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:54,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:11:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 11:11:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:54,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:54,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:11:54,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:54,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 11:11:54,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:54,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:11:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:11:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:11:54,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 11:11:54,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711136428] [2020-09-25 11:11:54,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:11:54,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 11:11:54,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407255459] [2020-09-25 11:11:54,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 11:11:54,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:11:54,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 11:11:54,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:11:54,548 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 13 states. [2020-09-25 11:11:55,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:11:55,619 INFO L93 Difference]: Finished difference Result 142 states and 154 transitions. [2020-09-25 11:11:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 11:11:55,620 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 71 [2020-09-25 11:11:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:11:55,622 INFO L225 Difference]: With dead ends: 142 [2020-09-25 11:11:55,622 INFO L226 Difference]: Without dead ends: 95 [2020-09-25 11:11:55,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2020-09-25 11:11:55,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-25 11:11:55,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2020-09-25 11:11:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-25 11:11:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2020-09-25 11:11:55,637 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 71 [2020-09-25 11:11:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:11:55,638 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2020-09-25 11:11:55,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 11:11:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2020-09-25 11:11:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 11:11:55,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:11:55,639 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:11:55,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:11:55,640 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:11:55,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:11:55,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1063153905, now seen corresponding path program 1 times [2020-09-25 11:11:55,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:11:55,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213047787] [2020-09-25 11:11:55,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:11:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:55,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:55,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:59,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:59,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 11:11:59,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:11:59,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3985 [2020-09-25 11:11:59,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:59,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 11:11:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 11:11:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:11:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:59,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:11:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:59,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:59,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:59,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:11:59,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:59,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 11:11:59,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:59,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:11:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:59,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:11:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:11:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:11:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:11:59,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:11:59,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:11:59,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:11:59,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:11:59,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 11:11:59,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:11:59,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:11:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:11:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:11:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:11:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:12:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:00,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:00,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:00,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:00,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:00,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 11:12:00,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:00,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:12:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:00,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:12:00,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:00,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:12:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:00,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:00,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 11:12:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:12:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:12:00,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:00,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:00,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:00,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:00,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:00,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:00,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:12:00,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:00,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:00,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:00,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:00,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:00,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 11:12:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:00,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:00,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:00,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:12:00,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:00,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 11:12:00,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:00,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:12:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:12:00,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 11:12:00,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213047787] [2020-09-25 11:12:00,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:12:00,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 11:12:00,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248993363] [2020-09-25 11:12:00,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 11:12:00,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:12:00,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 11:12:00,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-09-25 11:12:00,363 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand 16 states. [2020-09-25 11:12:01,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:12:01,766 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2020-09-25 11:12:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 11:12:01,766 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 71 [2020-09-25 11:12:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:12:01,768 INFO L225 Difference]: With dead ends: 149 [2020-09-25 11:12:01,768 INFO L226 Difference]: Without dead ends: 91 [2020-09-25 11:12:01,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=160, Invalid=896, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 11:12:01,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-25 11:12:01,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 82. [2020-09-25 11:12:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 11:12:01,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 11:12:01,796 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 71 [2020-09-25 11:12:01,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:12:01,797 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 11:12:01,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-25 11:12:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 11:12:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 11:12:01,804 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:12:01,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:12:01,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:12:01,805 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:12:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:12:01,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2039706158, now seen corresponding path program 1 times [2020-09-25 11:12:01,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:12:01,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994963378] [2020-09-25 11:12:01,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:12:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:01,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:02,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 11:12:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 850 [2020-09-25 11:12:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:02,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-25 11:12:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 11:12:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 11:12:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:02,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:12:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:02,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:02,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:02,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:12:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:12:02,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:02,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:02,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:12:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:02,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:02,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:02,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:02,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:02,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 11:12:02,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:02,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:02,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:12:02,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:02,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 11:12:02,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:02,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:02,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:02,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:02,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:12:02,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:02,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:02,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:12:02,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:02,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:12:02,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:02,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:12:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:02,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:03,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:03,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:03,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 11:12:03,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:03,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:12:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 11:12:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:03,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:03,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:03,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:03,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:03,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 11:12:03,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:03,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:12:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 11:12:03,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:03,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 11:12:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:03,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:03,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:12:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:03,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 11:12:03,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:03,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:12:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:12:03,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 11:12:03,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994963378] [2020-09-25 11:12:03,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:12:03,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-25 11:12:03,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770281787] [2020-09-25 11:12:03,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-25 11:12:03,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:12:03,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-25 11:12:03,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-09-25 11:12:03,397 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 23 states. [2020-09-25 11:12:04,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:12:04,844 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-09-25 11:12:04,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 11:12:04,845 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-09-25 11:12:04,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:12:04,847 INFO L225 Difference]: With dead ends: 97 [2020-09-25 11:12:04,847 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 11:12:04,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2020-09-25 11:12:04,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 11:12:04,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2020-09-25 11:12:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 11:12:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-09-25 11:12:04,860 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 71 [2020-09-25 11:12:04,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:12:04,861 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-09-25 11:12:04,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-25 11:12:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-09-25 11:12:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 11:12:04,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:12:04,863 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:12:04,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 11:12:04,863 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:12:04,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:12:04,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2033290459, now seen corresponding path program 1 times [2020-09-25 11:12:04,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:12:04,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709368007] [2020-09-25 11:12:04,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:12:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:04,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:05,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:07,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:07,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 11:12:07,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:12:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2617 [2020-09-25 11:12:07,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:07,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-25 11:12:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 11:12:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-25 11:12:07,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:07,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:12:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:07,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:07,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:07,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:12:07,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:12:07,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:07,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:07,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:12:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:07,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:07,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:07,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:07,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:07,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 11:12:07,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:07,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:07,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:12:07,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:07,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 11:12:07,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:07,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:07,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:07,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:07,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:07,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:12:07,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:07,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:12:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:12:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:07,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:12:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:07,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:07,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:07,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:07,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 11:12:07,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:07,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:12:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 11:12:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:07,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:07,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:07,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:07,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 11:12:07,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:07,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:12:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 11:12:07,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:08,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 11:12:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:08,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:08,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:12:08,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:12:08,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:08,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:12:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 11:12:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 11:12:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:08,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:08,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:08,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:12:08,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:08,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 11:12:08,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:08,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:12:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:08,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:12:08,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 11:12:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:08,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:08,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:08,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:12:08,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:12:08,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:08,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:12:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:12:08,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 11:12:08,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709368007] [2020-09-25 11:12:08,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:12:08,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-25 11:12:08,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421290949] [2020-09-25 11:12:08,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-25 11:12:08,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:12:08,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-25 11:12:08,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2020-09-25 11:12:08,241 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 24 states. [2020-09-25 11:12:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:12:09,648 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2020-09-25 11:12:09,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 11:12:09,648 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 85 [2020-09-25 11:12:09,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:12:09,650 INFO L225 Difference]: With dead ends: 89 [2020-09-25 11:12:09,651 INFO L226 Difference]: Without dead ends: 82 [2020-09-25 11:12:09,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=210, Invalid=1682, Unknown=0, NotChecked=0, Total=1892 [2020-09-25 11:12:09,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-25 11:12:09,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-09-25 11:12:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 11:12:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 11:12:09,663 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 85 [2020-09-25 11:12:09,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:12:09,664 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 11:12:09,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-25 11:12:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 11:12:09,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 11:12:09,666 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:12:09,666 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:12:09,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 11:12:09,666 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:12:09,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:12:09,667 INFO L82 PathProgramCache]: Analyzing trace with hash 571953633, now seen corresponding path program 2 times [2020-09-25 11:12:09,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:12:09,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210650407] [2020-09-25 11:12:09,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:12:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:09,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 11:12:11,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:12:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1471 [2020-09-25 11:12:11,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:12:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-09-25 11:12:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:12:11,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:12:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:12:11,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:12:11,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:11,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:12:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:11,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:12:11,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:11,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:11,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:12:11,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:11,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:11,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:12:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:11,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:12:11,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:11,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:11,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:11,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:12:11,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:11,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 11:12:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:12:11,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 11:12:11,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:12:11,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:12:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-25 11:12:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:12:11,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 11:12:11,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:12:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:11,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:12:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 11:12:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:11,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:11,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:11,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:12:11,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:11,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 11:12:11,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:11,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:12:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:12:11,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-25 11:12:11,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210650407] [2020-09-25 11:12:11,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:12:11,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 11:12:11,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411940177] [2020-09-25 11:12:11,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:12:11,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:12:11,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:12:11,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:12:11,495 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 10 states. [2020-09-25 11:12:12,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:12:12,103 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2020-09-25 11:12:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:12:12,104 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-09-25 11:12:12,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:12:12,105 INFO L225 Difference]: With dead ends: 89 [2020-09-25 11:12:12,106 INFO L226 Difference]: Without dead ends: 80 [2020-09-25 11:12:12,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-09-25 11:12:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-25 11:12:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2020-09-25 11:12:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 11:12:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2020-09-25 11:12:12,115 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 85 [2020-09-25 11:12:12,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:12:12,115 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2020-09-25 11:12:12,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:12:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2020-09-25 11:12:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-25 11:12:12,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:12:12,117 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:12:12,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 11:12:12,117 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:12:12,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:12:12,118 INFO L82 PathProgramCache]: Analyzing trace with hash 578402155, now seen corresponding path program 1 times [2020-09-25 11:12:12,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:12:12,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948335048] [2020-09-25 11:12:12,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:12:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:12,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:12,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:12,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:15,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:15,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-25 11:12:17,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:12:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 11:12:17,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 11:12:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 11:12:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 11:12:17,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:17,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:12:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:12:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:17,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:12:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:17,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 11:12:17,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:12:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:12:17,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:17,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:17,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:12:17,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:17,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 11:12:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 11:12:17,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:12:17,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:12:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:12:17,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:17,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:12:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:12:17,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:12:17,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:12:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:12:17,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 11:12:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 11:12:17,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 11:12:17,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 11:12:17,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:12:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 11:12:17,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:17,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 11:12:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:12:17,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:12:17,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:12:17,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:17,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:12:17,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:12:17,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 11:12:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:12:17,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:12:17,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:12:17,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:12:17,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:12:17,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:12:17,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:12:17,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:12:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:12:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:12:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:12:17,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:12:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-25 11:12:17,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948335048] [2020-09-25 11:12:17,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:12:17,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 11:12:17,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051821515] [2020-09-25 11:12:17,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 11:12:17,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:12:17,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 11:12:17,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 11:12:17,602 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 12 states. [2020-09-25 11:12:18,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:12:18,505 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2020-09-25 11:12:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 11:12:18,506 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 86 [2020-09-25 11:12:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:12:18,507 INFO L225 Difference]: With dead ends: 81 [2020-09-25 11:12:18,507 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:12:18,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2020-09-25 11:12:18,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:12:18,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:12:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:12:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:12:18,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2020-09-25 11:12:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:12:18,509 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:12:18,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 11:12:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:12:18,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:12:18,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 11:12:18,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:12:19,109 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2020-09-25 11:12:19,816 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-09-25 11:12:19,893 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-09-25 11:12:19,893 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (= ~elem~0.base ~elem~0.offset)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= my_malloc_~size 8)) (not (= |my_malloc_#in~size| 8)) (not (= ~elem~0.offset 0))) [2020-09-25 11:12:19,893 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-25 11:12:19,894 INFO L268 CegarLoopResult]: For program point L879-2(line 879) no Hoare annotation was computed. [2020-09-25 11:12:19,894 INFO L264 CegarLoopResult]: At program point my_mallocENTRY(lines 878 880) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= ~elem~0.base ~elem~0.offset)) (not (= |my_malloc_#in~size| 8)) (not (= ~elem~0.offset 0))) [2020-09-25 11:12:19,894 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-09-25 11:12:19,894 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 11:12:19,894 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 11:12:19,895 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 900) no Hoare annotation was computed. [2020-09-25 11:12:19,895 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |~#head~0.base| |old(~#head~0.base)|) (= |old(#length)| |#length|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~elem~0.base |old(~elem~0.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 11:12:19,895 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point L900-2(line 900) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-09-25 11:12:19,896 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-09-25 11:12:19,897 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-09-25 11:12:19,897 INFO L264 CegarLoopResult]: At program point list_delENTRY(lines 895 898) the Hoare annotation is: (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) [2020-09-25 11:12:19,897 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 889 893) the Hoare annotation is: (let ((.cse0 (= |old(~elem~0.base)| ~elem~0.base))) (and (or (and .cse0 (= |old(~elem~0.offset)| ~elem~0.offset)) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) (or (= |old(~elem~0.base)| |list_add_#in~new.base|) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (= ~elem~0.offset 0) .cse0)))) [2020-09-25 11:12:19,897 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-09-25 11:12:19,897 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-09-25 11:12:19,897 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-09-25 11:12:19,897 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-09-25 11:12:19,897 INFO L268 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-09-25 11:12:19,897 INFO L264 CegarLoopResult]: At program point L890-2(line 890) the Hoare annotation is: (and (or (not (= |old(~elem~0.base)| 0)) (= |old(~elem~0.base)| |list_add_#in~new.base|) (not (= |old(~elem~0.offset)| 0))) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point L891-3(line 891) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point L891-4(lines 889 893) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 11:12:19,898 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 11:12:19,898 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~elem~0.base 0)) [2020-09-25 11:12:19,899 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 11:12:19,899 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 11:12:19,899 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 902 917) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 11:12:19,899 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-09-25 11:12:19,899 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (not (= main_~dev2~0.offset ~elem~0.offset))) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (= ~elem~0.base ~elem~0.offset))) [2020-09-25 11:12:19,899 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-09-25 11:12:19,899 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (or (and (let ((.cse0 (not (= main_~dev2~0.offset main_~dev1~0.offset)))) (or (and .cse0 (= main_~dev2~0.base ~elem~0.base)) (and .cse0 (not (= main_~dev2~0.offset ~elem~0.offset))))) (or (not (= main_~dev2~0.offset 0)) (not (= main_~dev2~0.base 0)))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (= ~elem~0.base ~elem~0.offset))) [2020-09-25 11:12:19,900 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (= ~elem~0.offset 0) (or (not (= ~elem~0.base main_~dev1~0.base)) (not (= main_~dev1~0.offset ~elem~0.offset))) (= |old(~elem~0.base)| ~elem~0.base))) [2020-09-25 11:12:19,900 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-09-25 11:12:19,900 INFO L264 CegarLoopResult]: At program point L907-1(line 907) the Hoare annotation is: (let ((.cse0 (not (= main_~dev1~0.offset ~elem~0.offset)))) (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and .cse0 (= main_~dev2~0.base ~elem~0.base) (or (not (= main_~dev2~0.offset 0)) (not (= main_~dev2~0.base 0))) (= main_~dev2~0.offset ~elem~0.offset)) (not (= |old(~elem~0.offset)| 0)) (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (= ~elem~0.offset 0) (or (not (= ~elem~0.base main_~dev1~0.base)) .cse0) (= |old(~elem~0.base)| ~elem~0.base)))) [2020-09-25 11:12:19,900 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (let ((.cse0 (= |old(~elem~0.base)| ~elem~0.base)) (.cse1 (= |old(~elem~0.offset)| ~elem~0.offset))) (or (and (= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (not (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) .cse0 .cse1) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (= ~elem~0.base main_~dev1~0.base) (= main_~dev1~0.offset ~elem~0.offset) .cse0 .cse1))) [2020-09-25 11:12:19,900 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-09-25 11:12:19,900 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 11:12:19,900 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-09-25 11:12:19,901 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-09-25 11:12:19,901 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-09-25 11:12:19,901 INFO L268 CegarLoopResult]: For program point L905-2(line 905) no Hoare annotation was computed. [2020-09-25 11:12:19,901 INFO L268 CegarLoopResult]: For program point L904-2(line 904) no Hoare annotation was computed. [2020-09-25 11:12:19,901 INFO L264 CegarLoopResult]: At program point __getMemoryENTRY(lines 869 876) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 11:12:19,901 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-09-25 11:12:19,901 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-09-25 11:12:19,901 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 874) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L873-2(line 873) no Hoare annotation was computed. [2020-09-25 11:12:19,902 INFO L268 CegarLoopResult]: For program point L873-3(line 873) no Hoare annotation was computed. [2020-09-25 11:12:19,903 INFO L264 CegarLoopResult]: At program point L871-2(line 871) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 11:12:19,903 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-09-25 11:12:19,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:12:19 BoogieIcfgContainer [2020-09-25 11:12:19,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 11:12:19,912 INFO L168 Benchmark]: Toolchain (without parser) took 44713.39 ms. Allocated memory was 142.6 MB in the beginning and 477.1 MB in the end (delta: 334.5 MB). Free memory was 102.1 MB in the beginning and 127.3 MB in the end (delta: -25.2 MB). Peak memory consumption was 309.3 MB. Max. memory is 7.1 GB. [2020-09-25 11:12:19,913 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 121.4 MB in the beginning and 121.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-25 11:12:19,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.48 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 101.3 MB in the beginning and 169.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-09-25 11:12:19,915 INFO L168 Benchmark]: Boogie Preprocessor took 65.54 ms. Allocated memory is still 204.5 MB. Free memory was 169.4 MB in the beginning and 167.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-25 11:12:19,916 INFO L168 Benchmark]: RCFGBuilder took 666.02 ms. Allocated memory is still 204.5 MB. Free memory was 166.4 MB in the beginning and 119.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-09-25 11:12:19,917 INFO L168 Benchmark]: TraceAbstraction took 43261.89 ms. Allocated memory was 204.5 MB in the beginning and 477.1 MB in the end (delta: 272.6 MB). Free memory was 119.2 MB in the beginning and 127.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 264.5 MB. Max. memory is 7.1 GB. [2020-09-25 11:12:19,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 121.4 MB in the beginning and 121.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.48 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 101.3 MB in the beginning and 169.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.54 ms. Allocated memory is still 204.5 MB. Free memory was 169.4 MB in the beginning and 167.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 666.02 ms. Allocated memory is still 204.5 MB. Free memory was 166.4 MB in the beginning and 119.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43261.89 ms. Allocated memory was 204.5 MB in the beginning and 477.1 MB in the end (delta: 272.6 MB). Free memory was 119.2 MB in the beginning and 127.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 264.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 527 SDtfs, 1014 SDslu, 1514 SDs, 0 SdLazy, 4498 SolverSat, 346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 110 SyntacticMatches, 6 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 43 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 77 PreInvPairs, 87 NumberOfFragments, 471 HoareAnnotationTreeSize, 77 FomulaSimplifications, 267 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 18 FomulaSimplificationsInter, 942 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 32.2s InterpolantComputationTime, 621 NumberOfCodeBlocks, 621 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 612 ConstructedInterpolants, 0 QuantifiedInterpolants, 186296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 138/185 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...