/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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-eb0fd7c [2020-09-21 12:26:16,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:26:16,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:26:16,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:26:16,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:26:16,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:26:16,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:26:16,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:26:16,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:26:16,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:26:16,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:26:16,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:26:16,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:26:16,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:26:16,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:26:16,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:26:16,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:26:16,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:26:16,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:26:16,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:26:16,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:26:16,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:26:16,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:26:16,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:26:16,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:26:16,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:26:16,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:26:16,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:26:16,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:26:16,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:26:16,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:26:16,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:26:16,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:26:16,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:26:16,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:26:16,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:26:16,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:26:16,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:26:16,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:26:16,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:26:16,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:26:16,371 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 [2020-09-21 12:26:16,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:26:16,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:26:16,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:26:16,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:26:16,402 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:26:16,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:26:16,403 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:26:16,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:26:16,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:26:16,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:26:16,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:26:16,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:26:16,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:26:16,404 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:26:16,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:26:16,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:26:16,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:26:16,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:26:16,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:26:16,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:26:16,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:26:16,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:26:16,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:26:16,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:26:16,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:26:16,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:26:16,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:26:16,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:26:16,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:26:16,411 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:26:16,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:26:16,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:26:16,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:26:16,924 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:26:16,924 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:26:16,926 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-21 12:26:17,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9380b31d0/2d70037c9ada484d8314cfd84f82d642/FLAGd74a10b4b [2020-09-21 12:26:17,629 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:26:17,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-21 12:26:17,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9380b31d0/2d70037c9ada484d8314cfd84f82d642/FLAGd74a10b4b [2020-09-21 12:26:17,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9380b31d0/2d70037c9ada484d8314cfd84f82d642 [2020-09-21 12:26:17,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:26:17,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:26:17,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:26:17,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:26:17,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:26:17,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:26:17" (1/1) ... [2020-09-21 12:26:17,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cc86df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:17, skipping insertion in model container [2020-09-21 12:26:17,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:26:17" (1/1) ... [2020-09-21 12:26:17,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:26:18,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:26:18,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:26:18,476 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:26:18,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:26:18,718 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:26:18,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18 WrapperNode [2020-09-21 12:26:18,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:26:18,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:26:18,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:26:18,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:26:18,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (1/1) ... [2020-09-21 12:26:18,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (1/1) ... [2020-09-21 12:26:18,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (1/1) ... [2020-09-21 12:26:18,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (1/1) ... [2020-09-21 12:26:18,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (1/1) ... [2020-09-21 12:26:18,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (1/1) ... [2020-09-21 12:26:18,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (1/1) ... [2020-09-21 12:26:18,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:26:18,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:26:18,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:26:18,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:26:18,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (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 [2020-09-21 12:26:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:26:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:26:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-21 12:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-09-21 12:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-09-21 12:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-21 12:26:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-21 12:26:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:26:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:26:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-21 12:26:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-21 12:26:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-21 12:26:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-21 12:26:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-21 12:26:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-21 12:26:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-21 12:26:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-21 12:26:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-21 12:26:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-21 12:26:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-21 12:26:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-21 12:26:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-21 12:26:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-21 12:26:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-21 12:26:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-21 12:26:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-21 12:26:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-21 12:26:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-21 12:26:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-21 12:26:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-21 12:26:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-21 12:26:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-21 12:26:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-21 12:26:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-21 12:26:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-21 12:26:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-21 12:26:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-21 12:26:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-21 12:26:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-21 12:26:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-21 12:26:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-21 12:26:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-21 12:26:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-21 12:26:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-21 12:26:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-21 12:26:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-21 12:26:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-21 12:26:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-21 12:26:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:26:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-21 12:26:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-21 12:26:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-21 12:26:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-21 12:26:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-21 12:26:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-21 12:26:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-21 12:26:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-21 12:26:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-21 12:26:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-21 12:26:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-21 12:26:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-21 12:26:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-21 12:26:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-21 12:26:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-21 12:26:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-21 12:26:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-21 12:26:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-21 12:26:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-21 12:26:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-21 12:26:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-21 12:26:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-21 12:26:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-21 12:26:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-21 12:26:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-21 12:26:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-21 12:26:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-21 12:26:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-21 12:26:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-21 12:26:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-21 12:26:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-21 12:26:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-21 12:26:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-21 12:26:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-21 12:26:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-21 12:26:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-21 12:26:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-21 12:26:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-21 12:26:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-21 12:26:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-21 12:26:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-21 12:26:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-21 12:26:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-21 12:26:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-21 12:26:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-21 12:26:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-21 12:26:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-21 12:26:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-21 12:26:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-21 12:26:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-21 12:26:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-21 12:26:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-21 12:26:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-21 12:26:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-21 12:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-21 12:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-21 12:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-21 12:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-21 12:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-21 12:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-21 12:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-21 12:26:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-21 12:26:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:26:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 12:26:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-21 12:26:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:26:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-21 12:26:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-21 12:26:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-21 12:26:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-21 12:26:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-21 12:26:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-21 12:26:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-21 12:26:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-21 12:26:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-21 12:26:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-21 12:26:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-21 12:26:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-21 12:26:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-21 12:26:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-21 12:26:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:26:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-09-21 12:26:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-09-21 12:26:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-21 12:26:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-21 12:26:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:26:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:26:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:26:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 12:26:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:26:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:26:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:26:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:26:19,482 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:26:19,483 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:26:19,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:26:19 BoogieIcfgContainer [2020-09-21 12:26:19,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:26:19,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:26:19,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:26:19,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:26:19,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:26:17" (1/3) ... [2020-09-21 12:26:19,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629e2d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:26:19, skipping insertion in model container [2020-09-21 12:26:19,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:26:18" (2/3) ... [2020-09-21 12:26:19,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629e2d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:26:19, skipping insertion in model container [2020-09-21 12:26:19,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:26:19" (3/3) ... [2020-09-21 12:26:19,498 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-09-21 12:26:19,511 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:26:19,522 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:26:19,546 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:26:19,579 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:26:19,579 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:26:19,580 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:26:19,580 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:26:19,580 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:26:19,580 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:26:19,580 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:26:19,580 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:26:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-09-21 12:26:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 12:26:19,614 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:19,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:26:19,616 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:19,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:19,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1135050545, now seen corresponding path program 1 times [2020-09-21 12:26:19,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:19,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708188973] [2020-09-21 12:26:19,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:19,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:20,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:20,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 12:26:20,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-09-21 12:26:20,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:20,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:20,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:26:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:26:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:26:20,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:20,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:20,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:20,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:20,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:20,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:26:20,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:20,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:26:20,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708188973] [2020-09-21 12:26:20,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:26:20,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:26:20,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902093002] [2020-09-21 12:26:20,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:26:20,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:20,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:26:20,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:26:20,448 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 7 states. [2020-09-21 12:26:20,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:20,883 INFO L93 Difference]: Finished difference Result 88 states and 113 transitions. [2020-09-21 12:26:20,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:26:20,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-09-21 12:26:20,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:20,903 INFO L225 Difference]: With dead ends: 88 [2020-09-21 12:26:20,903 INFO L226 Difference]: Without dead ends: 43 [2020-09-21 12:26:20,908 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 [2020-09-21 12:26:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-21 12:26:20,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2020-09-21 12:26:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 12:26:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2020-09-21 12:26:20,964 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13 [2020-09-21 12:26:20,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:20,965 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2020-09-21 12:26:20,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:26:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2020-09-21 12:26:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-21 12:26:20,967 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:20,968 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:26:20,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:26:20,968 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:20,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:20,969 INFO L82 PathProgramCache]: Analyzing trace with hash -925661111, now seen corresponding path program 1 times [2020-09-21 12:26:20,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:20,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774259492] [2020-09-21 12:26:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:21,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:21,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 12:26:22,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:22,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1065 [2020-09-21 12:26:22,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:26:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-21 12:26:22,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:26:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:22,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:26:22,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:22,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:22,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:26:22,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:22,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:22,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:22,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:22,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:22,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:22,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 12:26:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:26:22,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:22,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:22,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:22,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 12:26:22,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:22,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:26:22,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:22,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:26:22,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 12:26:22,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774259492] [2020-09-21 12:26:22,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:26:22,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:26:22,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823247399] [2020-09-21 12:26:22,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:26:22,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:22,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:26:22,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:26:22,381 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 9 states. [2020-09-21 12:26:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:22,600 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2020-09-21 12:26:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:26:22,601 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-09-21 12:26:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:22,603 INFO L225 Difference]: With dead ends: 67 [2020-09-21 12:26:22,604 INFO L226 Difference]: Without dead ends: 48 [2020-09-21 12:26:22,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:26:22,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-09-21 12:26:22,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-09-21 12:26:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-21 12:26:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2020-09-21 12:26:22,618 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 38 [2020-09-21 12:26:22,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:22,619 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2020-09-21 12:26:22,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:26:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2020-09-21 12:26:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-21 12:26:22,621 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:22,621 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:26:22,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:26:22,622 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:22,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:22,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1219064118, now seen corresponding path program 1 times [2020-09-21 12:26:22,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:22,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685567171] [2020-09-21 12:26:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:22,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 12:26:23,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:23,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:26:23,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:26:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 12:26:23,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:26:23,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:23,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:23,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:23,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:23,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:23,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:23,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:26:23,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:26:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:23,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:23,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:23,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:23,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:23,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:23,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 12:26:23,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:23,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:26:23,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:23,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:26:23,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:24,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:24,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:24,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:24,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:24,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:26:24,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:24,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:24,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:24,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:26:24,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:24,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:24,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:24,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:24,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:24,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:24,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:26:24,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:24,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:24,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:24,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 12:26:24,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685567171] [2020-09-21 12:26:24,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:24,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 12:26:24,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315418474] [2020-09-21 12:26:24,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:26:24,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:24,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:26:24,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:26:24,101 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 9 states. [2020-09-21 12:26:24,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:24,391 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2020-09-21 12:26:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:26:24,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-09-21 12:26:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:24,393 INFO L225 Difference]: With dead ends: 69 [2020-09-21 12:26:24,393 INFO L226 Difference]: Without dead ends: 43 [2020-09-21 12:26:24,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:26:24,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-21 12:26:24,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2020-09-21 12:26:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-21 12:26:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-09-21 12:26:24,411 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 38 [2020-09-21 12:26:24,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:24,411 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-09-21 12:26:24,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:26:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-09-21 12:26:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-21 12:26:24,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:24,415 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:26:24,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:26:24,416 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:24,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:24,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1188044311, now seen corresponding path program 1 times [2020-09-21 12:26:24,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:24,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685049414] [2020-09-21 12:26:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:24,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 12:26:25,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:26:25,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:26:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:26:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 12:26:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:25,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:26:25,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:26:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:25,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:26:25,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:26:25,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:25,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:26:25,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:25,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 12:26:25,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:26:25,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:25,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:25,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:25,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:25,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:25,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:25,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 12:26:25,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685049414] [2020-09-21 12:26:25,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:26:25,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:26:25,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575789927] [2020-09-21 12:26:25,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:26:25,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:25,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:26:25,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:26:25,799 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 8 states. [2020-09-21 12:26:26,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:26,545 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2020-09-21 12:26:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:26:26,545 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2020-09-21 12:26:26,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:26,548 INFO L225 Difference]: With dead ends: 69 [2020-09-21 12:26:26,548 INFO L226 Difference]: Without dead ends: 58 [2020-09-21 12:26:26,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:26:26,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-09-21 12:26:26,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2020-09-21 12:26:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-21 12:26:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-09-21 12:26:26,570 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 38 [2020-09-21 12:26:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:26,570 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-09-21 12:26:26,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:26:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-09-21 12:26:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-21 12:26:26,572 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:26,573 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:26:26,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:26:26,573 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:26,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:26,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1335597358, now seen corresponding path program 1 times [2020-09-21 12:26:26,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:26,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587614672] [2020-09-21 12:26:26,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:26,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 12:26:27,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-09-21 12:26:27,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-21 12:26:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 12:26:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 12:26:27,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:27,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:26:27,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:27,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:26:27,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:26:27,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:27,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:26:27,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:26:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:26:27,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:27,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:27,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:27,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:27,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-21 12:26:27,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:26:27,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:27,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:26:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:27,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:28,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:28,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:28,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:26:28,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:28,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:26:28,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:28,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:26:28,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:28,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:26:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:28,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:28,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:28,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:28,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:26:28,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:26:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:26:28,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-21 12:26:28,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587614672] [2020-09-21 12:26:28,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:28,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 12:26:28,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752395802] [2020-09-21 12:26:28,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 12:26:28,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:28,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 12:26:28,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2020-09-21 12:26:28,214 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 23 states. [2020-09-21 12:26:29,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:29,473 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2020-09-21 12:26:29,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 12:26:29,474 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 45 [2020-09-21 12:26:29,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:29,478 INFO L225 Difference]: With dead ends: 66 [2020-09-21 12:26:29,478 INFO L226 Difference]: Without dead ends: 59 [2020-09-21 12:26:29,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=151, Invalid=1181, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 12:26:29,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-21 12:26:29,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-09-21 12:26:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-09-21 12:26:29,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2020-09-21 12:26:29,491 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 45 [2020-09-21 12:26:29,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:29,492 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2020-09-21 12:26:29,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 12:26:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2020-09-21 12:26:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-21 12:26:29,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:29,493 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:26:29,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:26:29,494 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:29,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:29,494 INFO L82 PathProgramCache]: Analyzing trace with hash 526250732, now seen corresponding path program 1 times [2020-09-21 12:26:29,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:29,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438108886] [2020-09-21 12:26:29,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:29,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:30,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 12:26:30,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:30,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:26:30,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:26:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:26:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:26:30,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:30,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:30,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:30,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:30,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:30,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:26:30,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:30,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:30,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:30,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:26:30,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:30,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:30,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:30,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:30,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:26:30,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:26:30,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:30,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:30,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:30,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:30,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:30,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:26:30,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:30,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:30,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:30,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:30,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:30,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:30,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 12:26:30,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:26:30,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:30,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:30,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:30,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:30,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:30,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:30,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:30,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:26:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:30,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:30,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:30,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:30,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:26:30,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:30,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:26:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:26:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 12:26:30,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438108886] [2020-09-21 12:26:30,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:30,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 12:26:30,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825369921] [2020-09-21 12:26:30,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:26:30,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:30,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:26:30,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:26:30,895 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 9 states. [2020-09-21 12:26:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:31,389 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2020-09-21 12:26:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:26:31,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2020-09-21 12:26:31,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:31,391 INFO L225 Difference]: With dead ends: 67 [2020-09-21 12:26:31,391 INFO L226 Difference]: Without dead ends: 62 [2020-09-21 12:26:31,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:26:31,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-21 12:26:31,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2020-09-21 12:26:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 12:26:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2020-09-21 12:26:31,402 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 45 [2020-09-21 12:26:31,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:31,402 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2020-09-21 12:26:31,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:26:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2020-09-21 12:26:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:26:31,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:31,404 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-21 12:26:31,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:26:31,404 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:31,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:31,405 INFO L82 PathProgramCache]: Analyzing trace with hash -2119488644, now seen corresponding path program 1 times [2020-09-21 12:26:31,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:31,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689581499] [2020-09-21 12:26:31,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:31,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:31,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 12:26:32,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:32,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:26:32,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:26:32,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:26:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:26:32,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:32,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:26:32,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:32,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:32,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:32,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:32,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:32,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:32,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:32,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:32,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:32,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:26:32,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:32,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:32,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:32,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:26:32,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:32,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:32,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:26:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:32,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:26:32,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:26:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:26:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:32,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:26:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:32,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 12:26:32,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:26:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:26:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:32,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:26:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:32,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:32,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:32,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:26:32,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:26:32,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:26:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:26:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 12:26:32,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689581499] [2020-09-21 12:26:32,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:32,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 12:26:32,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978336298] [2020-09-21 12:26:32,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 12:26:32,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:32,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 12:26:32,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:26:32,889 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 13 states. [2020-09-21 12:26:33,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:33,834 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2020-09-21 12:26:33,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 12:26:33,835 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2020-09-21 12:26:33,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:33,837 INFO L225 Difference]: With dead ends: 70 [2020-09-21 12:26:33,837 INFO L226 Difference]: Without dead ends: 62 [2020-09-21 12:26:33,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2020-09-21 12:26:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-21 12:26:33,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-09-21 12:26:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-21 12:26:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2020-09-21 12:26:33,849 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 57 [2020-09-21 12:26:33,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:33,849 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2020-09-21 12:26:33,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 12:26:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2020-09-21 12:26:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:26:33,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:33,851 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-21 12:26:33,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:26:33,851 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:33,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1366132026, now seen corresponding path program 1 times [2020-09-21 12:26:33,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:33,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841656531] [2020-09-21 12:26:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:33,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:34,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:34,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:34,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 12:26:34,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:26:34,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:26:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:26:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:26:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:34,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:35,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:26:35,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:35,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:35,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:35,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:26:35,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:35,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:35,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:35,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:35,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:35,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:26:35,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:35,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:35,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:26:35,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:26:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:35,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:35,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 12:26:35,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:26:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:26:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:26:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:35,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:35,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:26:35,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:26:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:26:35,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:26:35,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:26:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:35,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:35,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:26:35,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:26:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:26:35,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:26:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:26:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 12:26:35,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841656531] [2020-09-21 12:26:35,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:35,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 12:26:35,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783501096] [2020-09-21 12:26:35,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 12:26:35,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:35,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 12:26:35,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:26:35,362 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand 15 states. [2020-09-21 12:26:36,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:36,355 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2020-09-21 12:26:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 12:26:36,356 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2020-09-21 12:26:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:36,358 INFO L225 Difference]: With dead ends: 71 [2020-09-21 12:26:36,358 INFO L226 Difference]: Without dead ends: 57 [2020-09-21 12:26:36,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=596, Unknown=0, NotChecked=0, Total=702 [2020-09-21 12:26:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-09-21 12:26:36,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-09-21 12:26:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 12:26:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2020-09-21 12:26:36,377 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 57 [2020-09-21 12:26:36,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:36,381 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2020-09-21 12:26:36,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 12:26:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2020-09-21 12:26:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:26:36,385 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:26:36,385 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-09-21 12:26:36,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:26:36,386 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:26:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:26:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1588672638, now seen corresponding path program 1 times [2020-09-21 12:26:36,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:26:36,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56607074] [2020-09-21 12:26:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:26:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:36,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:36,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:36,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 12:26:37,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:26:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:26:37,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:26:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-21 12:26:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:26:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:26:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:26:37,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:37,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:37,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:26:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:37,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:26:37,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:37,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:26:37,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:37,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:26:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:26:37,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:26:37,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:26:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:37,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:26:37,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:26:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:26:37,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:26:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:37,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:26:37,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:26:37,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:26:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:26:37,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:26:37,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:26:37,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:26:37,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:26:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:26:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:26:37,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:26:37,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:26:37,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:26:37,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:26:37,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:26:37,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:26:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:26:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:26:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:26:37,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:26:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-21 12:26:37,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56607074] [2020-09-21 12:26:37,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:26:37,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 12:26:37,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878586360] [2020-09-21 12:26:37,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:26:37,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:26:37,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:26:37,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:26:37,704 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 10 states. [2020-09-21 12:26:38,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:26:38,289 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2020-09-21 12:26:38,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 12:26:38,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-09-21 12:26:38,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:26:38,290 INFO L225 Difference]: With dead ends: 54 [2020-09-21 12:26:38,291 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:26:38,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:26:38,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:26:38,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:26:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:26:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:26:38,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-09-21 12:26:38,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:26:38,293 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:26:38,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:26:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:26:38,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:26:38,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:26:38,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:26:38,924 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 13 [2020-09-21 12:26:39,035 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2020-09-21 12:26:39,691 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-09-21 12:26:39,692 INFO L264 CegarLoopResult]: At program point L879(line 879) 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)|) (= my_malloc_~size 8)) (not (= |my_malloc_#in~size| 8))) [2020-09-21 12:26:39,692 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-21 12:26:39,693 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 (= |my_malloc_#in~size| 8))) [2020-09-21 12:26:39,693 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-09-21 12:26:39,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:26:39,695 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|)) [2020-09-21 12:26:39,695 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:26:39,695 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-09-21 12:26:39,695 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-09-21 12:26:39,695 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-09-21 12:26:39,695 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)) [2020-09-21 12:26:39,695 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 889 893) the Hoare annotation is: (or (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset))) [2020-09-21 12:26:39,696 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-09-21 12:26:39,696 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-09-21 12:26:39,696 INFO L268 CegarLoopResult]: For program point L891-2(lines 889 893) no Hoare annotation was computed. [2020-09-21 12:26:39,696 INFO L264 CegarLoopResult]: At program point L890-2(line 890) the Hoare annotation is: (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) [2020-09-21 12:26:39,696 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-09-21 12:26:39,696 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-09-21 12:26:39,697 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-21 12:26:39,697 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-21 12:26:39,697 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-21 12:26:39,697 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-21 12:26:39,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:26:39,697 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~elem~0.base 0)) [2020-09-21 12:26:39,698 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:26:39,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:26:39,698 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 902 917) the Hoare annotation is: (or (not (= |old(~elem~0.base)| 0)) (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))) [2020-09-21 12:26:39,698 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-09-21 12:26:39,698 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (and (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) (= ~elem~0.base 0)) (and (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (not (= main_~dev2~0.base ~elem~0.base)) (not (= main_~dev2~0.offset ~elem~0.offset)))) (not (= |old(~elem~0.base)| 0)) (not (= |old(~elem~0.offset)| 0))) [2020-09-21 12:26:39,698 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-09-21 12:26:39,698 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (let ((.cse0 (not (= main_~dev2~0.offset main_~dev1~0.offset)))) (or (and (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) (= ~elem~0.base 0)) (and .cse0 (or (not (= main_~dev2~0.base ~elem~0.base)) (not (= main_~dev2~0.offset ~elem~0.offset)))) (and .cse0 (or (not (= main_~dev2~0.offset 0)) (not (= main_~dev2~0.base 0)))) (not (= |old(~elem~0.base)| 0)) (not (= |old(~elem~0.offset)| 0)))) [2020-09-21 12:26:39,700 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~elem~0.base)| 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)) (or (not (= main_~dev1~0.offset 0)) (not (= main_~dev1~0.base 0))) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-21 12:26:39,700 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-09-21 12:26:39,700 INFO L264 CegarLoopResult]: At program point L907-1(line 907) the Hoare annotation is: (or (not (= |old(~elem~0.base)| 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)) (or (not (= main_~dev1~0.offset 0)) (not (= main_~dev1~0.base 0))) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (and (not (= main_~dev1~0.offset ~elem~0.offset)) (= 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))) [2020-09-21 12:26:39,700 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (= |old(~elem~0.base)| 0)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (and (not (= (+ ~guard_malloc_counter~0.offset 1) |old(~guard_malloc_counter~0.offset)|)) (= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (not (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (not (= |old(~elem~0.offset)| 0))) [2020-09-21 12:26:39,700 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-09-21 12:26:39,704 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~elem~0.base)| 0)) (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))) [2020-09-21 12:26:39,704 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-09-21 12:26:39,705 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-09-21 12:26:39,705 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.offset 0)) (not (= ~elem~0.base 0))) [2020-09-21 12:26:39,705 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-09-21 12:26:39,705 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-09-21 12:26:39,705 INFO L268 CegarLoopResult]: For program point L873(lines 873 874) no Hoare annotation was computed. [2020-09-21 12:26:39,705 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-21 12:26:39,706 INFO L264 CegarLoopResult]: At program point L871-2(line 871) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) [2020-09-21 12:26:39,706 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-09-21 12:26:39,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:26:39 BoogieIcfgContainer [2020-09-21 12:26:39,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:26:39,721 INFO L168 Benchmark]: Toolchain (without parser) took 21812.41 ms. Allocated memory was 138.9 MB in the beginning and 424.1 MB in the end (delta: 285.2 MB). Free memory was 101.3 MB in the beginning and 338.2 MB in the end (delta: -237.0 MB). Peak memory consumption was 268.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:39,722 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:26:39,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.89 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 168.1 MB in the end (delta: -67.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:39,725 INFO L168 Benchmark]: Boogie Preprocessor took 70.36 ms. Allocated memory is still 202.4 MB. Free memory was 168.1 MB in the beginning and 164.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:39,728 INFO L168 Benchmark]: RCFGBuilder took 698.26 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 119.1 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:39,731 INFO L168 Benchmark]: TraceAbstraction took 20227.10 ms. Allocated memory was 202.4 MB in the beginning and 424.1 MB in the end (delta: 221.8 MB). Free memory was 119.1 MB in the beginning and 338.2 MB in the end (delta: -219.1 MB). Peak memory consumption was 222.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:26:39,740 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.89 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 168.1 MB in the end (delta: -67.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.36 ms. Allocated memory is still 202.4 MB. Free memory was 168.1 MB in the beginning and 164.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 698.26 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 119.1 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20227.10 ms. Allocated memory was 202.4 MB in the beginning and 424.1 MB in the end (delta: 221.8 MB). Free memory was 119.1 MB in the beginning and 338.2 MB in the end (delta: -219.1 MB). Peak memory consumption was 222.8 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, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 403 SDslu, 844 SDs, 0 SdLazy, 2756 SolverSat, 288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=7, 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, 30 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 72 PreInvPairs, 84 NumberOfFragments, 429 HoareAnnotationTreeSize, 72 FomulaSimplifications, 650 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1260 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 379 ConstructedInterpolants, 0 QuantifiedInterpolants, 75054 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 92/122 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...