/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:57:46,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:57:46,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:57:46,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:57:46,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:57:46,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:57:46,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:57:46,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:57:46,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:57:46,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:57:46,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:57:46,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:57:46,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:57:46,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:57:46,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:57:46,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:57:46,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:57:46,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:57:46,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:57:46,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:57:46,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:57:46,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:57:46,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:57:46,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:57:46,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:57:46,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:57:46,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:57:46,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:57:46,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:57:46,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:57:46,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:57:46,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:57:46,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:57:46,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:57:46,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:57:46,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:57:46,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:57:46,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:57:46,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:57:46,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:57:46,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:57:46,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 00:57:46,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:57:46,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:57:46,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:57:46,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:57:46,904 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:57:46,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:57:46,904 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:57:46,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:57:46,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:57:46,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:57:46,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:57:46,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:57:46,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:57:46,907 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:57:46,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:57:46,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:57:46,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:57:46,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:57:46,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:57:46,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:57:46,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:57:46,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:57:46,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:57:46,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:57:46,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:57:46,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:57:46,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:57:46,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:57:46,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:57:46,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 00:57:47,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:57:47,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:57:47,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:57:47,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:57:47,413 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:57:47,414 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 00:57:47,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/145d3e7df/28984230fd70482d91c5dc9c4a179972/FLAG90f11479a [2020-09-25 00:57:48,193 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:57:48,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-09-25 00:57:48,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/145d3e7df/28984230fd70482d91c5dc9c4a179972/FLAG90f11479a [2020-09-25 00:57:48,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/145d3e7df/28984230fd70482d91c5dc9c4a179972 [2020-09-25 00:57:48,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:57:48,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:57:48,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:57:48,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:57:48,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:57:48,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:57:48" (1/1) ... [2020-09-25 00:57:48,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78985504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:48, skipping insertion in model container [2020-09-25 00:57:48,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:57:48" (1/1) ... [2020-09-25 00:57:48,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:57:48,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:57:48,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:57:48,948 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:57:48,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:57:49,065 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:57:49,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49 WrapperNode [2020-09-25 00:57:49,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:57:49,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:57:49,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:57:49,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:57:49,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... [2020-09-25 00:57:49,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... [2020-09-25 00:57:49,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... [2020-09-25 00:57:49,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... [2020-09-25 00:57:49,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... [2020-09-25 00:57:49,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... [2020-09-25 00:57:49,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... [2020-09-25 00:57:49,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:57:49,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:57:49,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:57:49,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:57:49,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:57:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:57:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:57:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 00:57:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-09-25 00:57:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-09-25 00:57:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 00:57:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-25 00:57:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:57:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:57:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 00:57:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-25 00:57:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-25 00:57:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-25 00:57:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-25 00:57:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-25 00:57:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-25 00:57:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-25 00:57:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-25 00:57:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-25 00:57:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-25 00:57:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-25 00:57:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-25 00:57:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-25 00:57:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-25 00:57:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-25 00:57:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-25 00:57:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-25 00:57:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-25 00:57:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-25 00:57:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-25 00:57:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-25 00:57:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-25 00:57:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-25 00:57:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-25 00:57:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-25 00:57:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-25 00:57:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-25 00:57:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-25 00:57:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-25 00:57:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-25 00:57:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-25 00:57:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-25 00:57:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-25 00:57:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-25 00:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-25 00:57:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-25 00:57:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-25 00:57:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-25 00:57:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:57:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-25 00:57:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-25 00:57:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-25 00:57:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-25 00:57:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 00:57:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-25 00:57:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-25 00:57:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-25 00:57:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-25 00:57:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-25 00:57:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-25 00:57:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-25 00:57:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-25 00:57:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-25 00:57:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-25 00:57:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 00:57:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-25 00:57:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-25 00:57:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-25 00:57:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-25 00:57:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-25 00:57:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-25 00:57:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-25 00:57:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-25 00:57:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-25 00:57:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-25 00:57:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-25 00:57:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-25 00:57:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-25 00:57:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-25 00:57:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-25 00:57:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-25 00:57:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-25 00:57:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-25 00:57:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 00:57:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-25 00:57:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-25 00:57:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-25 00:57:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-25 00:57:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-25 00:57:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-25 00:57:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-25 00:57:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-25 00:57:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-25 00:57:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-25 00:57:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-25 00:57:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-25 00:57:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-25 00:57:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-25 00:57:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-25 00:57:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-25 00:57:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-25 00:57:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-25 00:57:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-25 00:57:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-25 00:57:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-25 00:57:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-25 00:57:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-25 00:57:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-25 00:57:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-25 00:57:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-25 00:57:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-25 00:57:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:57:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 00:57:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 00:57:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:57:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 00:57:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-25 00:57:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 00:57:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-25 00:57:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-25 00:57:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-25 00:57:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-25 00:57:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-25 00:57:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-25 00:57:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-25 00:57:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-25 00:57:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-25 00:57:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-25 00:57:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-25 00:57:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:57:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-09-25 00:57:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-09-25 00:57:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 00:57:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-25 00:57:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:57:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:57:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:57:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 00:57:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:57:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:57:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:57:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:57:49,758 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:57:49,759 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 00:57:49,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:57:49 BoogieIcfgContainer [2020-09-25 00:57:49,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:57:49,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:57:49,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:57:49,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:57:49,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:57:48" (1/3) ... [2020-09-25 00:57:49,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@928f723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:57:49, skipping insertion in model container [2020-09-25 00:57:49,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:49" (2/3) ... [2020-09-25 00:57:49,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@928f723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:57:49, skipping insertion in model container [2020-09-25 00:57:49,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:57:49" (3/3) ... [2020-09-25 00:57:49,774 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-09-25 00:57:49,786 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:57:49,797 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:57:49,820 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:57:49,851 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:57:49,852 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:57:49,852 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:57:49,852 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:57:49,852 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:57:49,852 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:57:49,853 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:57:49,853 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:57:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-09-25 00:57:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-09-25 00:57:49,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:57:49,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:57:49,883 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:57:49,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:57:49,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1653885127, now seen corresponding path program 1 times [2020-09-25 00:57:49,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:57:49,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251706821] [2020-09-25 00:57:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:57:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:50,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:50,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:50,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 00:57:50,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:50,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-09-25 00:57:50,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:50,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:57:50,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 00:57:50,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:57:50,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:57:50,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:57:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:50,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:50,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:50,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:57:50,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 00:57:50,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:57:50,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251706821] [2020-09-25 00:57:50,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:57:50,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 00:57:50,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618730531] [2020-09-25 00:57:50,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 00:57:50,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:57:50,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 00:57:50,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:57:50,740 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 7 states. [2020-09-25 00:57:51,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:57:51,202 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-09-25 00:57:51,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 00:57:51,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-09-25 00:57:51,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:57:51,219 INFO L225 Difference]: With dead ends: 126 [2020-09-25 00:57:51,219 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 00:57:51,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-09-25 00:57:51,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 00:57:51,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-09-25 00:57:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 00:57:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-09-25 00:57:51,286 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 21 [2020-09-25 00:57:51,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:57:51,287 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-09-25 00:57:51,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 00:57:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-09-25 00:57:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 00:57:51,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:57:51,291 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:57:51,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:57:51,292 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:57:51,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:57:51,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1154270079, now seen corresponding path program 1 times [2020-09-25 00:57:51,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:57:51,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67412936] [2020-09-25 00:57:51,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:57:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:51,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:51,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:55,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:55,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 00:57:55,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:57:55,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4303 [2020-09-25 00:57:55,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:55,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:57:55,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-25 00:57:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 00:57:55,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:57:55,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:57:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:55,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:55,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:55,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:57:55,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 00:57:55,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:55,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:55,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:57:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:55,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:55,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:55,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:57:55,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:55,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:57:55,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:55,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:55,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 00:57:55,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:57:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:55,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:55,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:55,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:57:55,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:57:55,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:55,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:55,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:55,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:57:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:56,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:56,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:57:56,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 00:57:56,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:57:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 00:57:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:56,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:57:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:56,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:56,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:57:56,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:56,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 00:57:56,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:57:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:57:56,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 00:57:56,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67412936] [2020-09-25 00:57:56,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:57:56,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:57:56,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765248132] [2020-09-25 00:57:56,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:57:56,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:57:56,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:57:56,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:57:56,166 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 9 states. [2020-09-25 00:57:56,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:57:56,510 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2020-09-25 00:57:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:57:56,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-25 00:57:56,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:57:56,514 INFO L225 Difference]: With dead ends: 97 [2020-09-25 00:57:56,514 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 00:57:56,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:57:56,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 00:57:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-09-25 00:57:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-25 00:57:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2020-09-25 00:57:56,547 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 61 [2020-09-25 00:57:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:57:56,548 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2020-09-25 00:57:56,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:57:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2020-09-25 00:57:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 00:57:56,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:57:56,550 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:57:56,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:57:56,551 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:57:56,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:57:56,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1617160578, now seen corresponding path program 1 times [2020-09-25 00:57:56,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:57:56,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896235951] [2020-09-25 00:57:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:57:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:56,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:57,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:57,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:59,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:59,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 00:57:59,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:57:59,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2535 [2020-09-25 00:57:59,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:57:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 00:57:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 00:57:59,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:59,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:57:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:59,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:59,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:59,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:57:59,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:57:59,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:59,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:59,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:59,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:57:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:59,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:59,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:59,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:57:59,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 00:57:59,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:57:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:59,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 00:57:59,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:57:59,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:57:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:59,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:59,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:57:59,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 00:57:59,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:57:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:57:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:59,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:57:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:59,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:59,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:59,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:57:59,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:59,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 00:57:59,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:57:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:57:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:57:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:57:59,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:57:59,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:57:59,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:57:59,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:57:59,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:57:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:57:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:57:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:57:59,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:57:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 00:57:59,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896235951] [2020-09-25 00:57:59,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:57:59,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 00:57:59,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035408718] [2020-09-25 00:57:59,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:57:59,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:57:59,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:57:59,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:57:59,473 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 9 states. [2020-09-25 00:57:59,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:57:59,702 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2020-09-25 00:57:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:57:59,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-25 00:57:59,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:57:59,704 INFO L225 Difference]: With dead ends: 100 [2020-09-25 00:57:59,705 INFO L226 Difference]: Without dead ends: 64 [2020-09-25 00:57:59,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:57:59,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-09-25 00:57:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-09-25 00:57:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-25 00:57:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2020-09-25 00:57:59,716 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 61 [2020-09-25 00:57:59,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:57:59,716 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2020-09-25 00:57:59,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:57:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2020-09-25 00:57:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 00:57:59,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:57:59,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:57:59,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:57:59,719 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:57:59,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:57:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1531514875, now seen corresponding path program 1 times [2020-09-25 00:57:59,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:57:59,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [750393225] [2020-09-25 00:57:59,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:57:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:57:59,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:00,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 00:58:01,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:58:01,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1325 [2020-09-25 00:58:01,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 00:58:01,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 00:58:01,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 00:58:01,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:58:01,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 00:58:01,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:58:01,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:01,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:58:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:01,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 00:58:01,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:58:01,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:01,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:58:01,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:58:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:01,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 00:58:01,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:58:01,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:01,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:01,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:01,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:01,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:01,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:58:01,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:01,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:01,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 00:58:01,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [750393225] [2020-09-25 00:58:01,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:58:01,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:58:01,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878795133] [2020-09-25 00:58:01,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:58:01,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:58:01,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:58:01,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:58:01,460 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 8 states. [2020-09-25 00:58:02,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:58:02,106 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2020-09-25 00:58:02,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 00:58:02,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-09-25 00:58:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:58:02,108 INFO L225 Difference]: With dead ends: 99 [2020-09-25 00:58:02,108 INFO L226 Difference]: Without dead ends: 86 [2020-09-25 00:58:02,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:58:02,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-09-25 00:58:02,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 79. [2020-09-25 00:58:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 00:58:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2020-09-25 00:58:02,131 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 61 [2020-09-25 00:58:02,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:58:02,134 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2020-09-25 00:58:02,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:58:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2020-09-25 00:58:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-25 00:58:02,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:58:02,138 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:58:02,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:58:02,138 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:58:02,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:58:02,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2098824736, now seen corresponding path program 1 times [2020-09-25 00:58:02,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:58:02,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425455871] [2020-09-25 00:58:02,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:58:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:02,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:02,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:03,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:03,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-25 00:58:03,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:58:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1300 [2020-09-25 00:58:03,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 00:58:03,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 00:58:03,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 00:58:03,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:03,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:03,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:03,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:58:03,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:03,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 00:58:03,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:58:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:03,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:58:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:03,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:03,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:03,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:03,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 00:58:03,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:58:03,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:03,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:03,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:03,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:03,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:03,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:03,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:58:03,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:03,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:03,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:58:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:03,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:03,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:03,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:03,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:03,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 00:58:03,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:03,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:58:03,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:03,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:03,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:03,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:03,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:03,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:03,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:58:03,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:03,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 00:58:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:03,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:03,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:03,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:58:03,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:03,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 00:58:03,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:58:03,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 00:58:03,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 00:58:03,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 00:58:03,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425455871] [2020-09-25 00:58:03,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:58:03,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 00:58:03,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280253517] [2020-09-25 00:58:03,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:58:03,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:58:03,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:58:03,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:58:03,816 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand 9 states. [2020-09-25 00:58:04,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:58:04,487 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2020-09-25 00:58:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:58:04,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-25 00:58:04,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:58:04,490 INFO L225 Difference]: With dead ends: 94 [2020-09-25 00:58:04,490 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 00:58:04,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 00:58:04,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 00:58:04,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2020-09-25 00:58:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-09-25 00:58:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2020-09-25 00:58:04,503 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 70 [2020-09-25 00:58:04,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:58:04,503 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2020-09-25 00:58:04,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:58:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-09-25 00:58:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 00:58:04,505 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:58:04,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:58:04,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 00:58:04,505 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:58:04,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:58:04,506 INFO L82 PathProgramCache]: Analyzing trace with hash 2039706158, now seen corresponding path program 1 times [2020-09-25 00:58:04,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:58:04,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174697536] [2020-09-25 00:58:04,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:58:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:04,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:05,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:05,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 00:58:05,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:05,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-09-25 00:58:05,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-25 00:58:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 00:58:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 00:58:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:05,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:05,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:05,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:05,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:58:05,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:58:05,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:58:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:05,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:05,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:05,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:05,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:05,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 00:58:05,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:58:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 00:58:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:05,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:05,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:05,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:05,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:05,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 00:58:05,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:58:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:58:05,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:05,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:58:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:05,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:05,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:05,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:05,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:05,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 00:58:05,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 00:58:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 00:58:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 00:58:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:05,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:05,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:05,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 00:58:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:05,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 00:58:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 00:58:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 00:58:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:05,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 00:58:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:05,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:06,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:06,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:58:06,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:06,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:58:06,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:58:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:58:06,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 00:58:06,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174697536] [2020-09-25 00:58:06,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:58:06,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-25 00:58:06,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454596395] [2020-09-25 00:58:06,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-25 00:58:06,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:58:06,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-25 00:58:06,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2020-09-25 00:58:06,078 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 23 states. [2020-09-25 00:58:07,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:58:07,619 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-09-25 00:58:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 00:58:07,620 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-09-25 00:58:07,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:58:07,622 INFO L225 Difference]: With dead ends: 97 [2020-09-25 00:58:07,622 INFO L226 Difference]: Without dead ends: 89 [2020-09-25 00:58:07,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=188, Invalid=1618, Unknown=0, NotChecked=0, Total=1806 [2020-09-25 00:58:07,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-25 00:58:07,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2020-09-25 00:58:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 00:58:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-09-25 00:58:07,636 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 71 [2020-09-25 00:58:07,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:58:07,636 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-09-25 00:58:07,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-25 00:58:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-09-25 00:58:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-09-25 00:58:07,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:58:07,638 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:58:07,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 00:58:07,639 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:58:07,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:58:07,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2033290459, now seen corresponding path program 1 times [2020-09-25 00:58:07,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:58:07,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13295934] [2020-09-25 00:58:07,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:58:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:07,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-09-25 00:58:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:58:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2662 [2020-09-25 00:58:10,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 00:58:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-25 00:58:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:58:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:58:10,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:58:10,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:58:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:10,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:58:10,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:10,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:10,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:58:10,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:58:10,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:58:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:10,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:58:10,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:10,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:58:10,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 00:58:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:58:10,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:58:10,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 00:58:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:58:10,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:58:10,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:10,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:10,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 00:58:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:10,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:10,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:10,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:58:10,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:58:10,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:58:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:58:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 00:58:10,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13295934] [2020-09-25 00:58:10,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:58:10,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 00:58:10,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934294950] [2020-09-25 00:58:10,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:58:10,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:58:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:58:10,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:58:10,610 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 10 states. [2020-09-25 00:58:11,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:58:11,156 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2020-09-25 00:58:11,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:58:11,156 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-09-25 00:58:11,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:58:11,158 INFO L225 Difference]: With dead ends: 88 [2020-09-25 00:58:11,158 INFO L226 Difference]: Without dead ends: 79 [2020-09-25 00:58:11,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:58:11,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-25 00:58:11,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-09-25 00:58:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-25 00:58:11,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2020-09-25 00:58:11,169 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 85 [2020-09-25 00:58:11,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:58:11,169 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2020-09-25 00:58:11,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:58:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2020-09-25 00:58:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-25 00:58:11,171 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:58:11,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:58:11,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 00:58:11,172 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:58:11,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:58:11,172 INFO L82 PathProgramCache]: Analyzing trace with hash 578402155, now seen corresponding path program 1 times [2020-09-25 00:58:11,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:58:11,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014282458] [2020-09-25 00:58:11,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:58:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:11,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:11,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:14,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:15,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-25 00:58:16,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:58:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 00:58:16,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 00:58:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 00:58:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 00:58:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:58:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:58:16,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:58:16,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:16,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:16,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:58:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:16,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:58:16,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:16,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:58:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:58:16,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:58:16,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:58:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:58:16,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:58:16,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:58:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:58:16,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-25 00:58:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 00:58:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-25 00:58:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:58:16,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:58:16,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:58:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 00:58:16,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-25 00:58:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:58:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:58:16,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:58:16,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:58:16,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:58:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:58:16,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:58:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:58:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:58:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:58:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:58:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 00:58:16,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014282458] [2020-09-25 00:58:16,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:58:16,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 00:58:16,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844935855] [2020-09-25 00:58:16,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:58:16,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:58:16,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:58:16,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:58:16,625 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 10 states. [2020-09-25 00:58:17,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:58:17,430 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2020-09-25 00:58:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 00:58:17,431 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 86 [2020-09-25 00:58:17,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:58:17,431 INFO L225 Difference]: With dead ends: 83 [2020-09-25 00:58:17,432 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 00:58:17,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-09-25 00:58:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 00:58:17,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 00:58:17,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 00:58:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 00:58:17,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2020-09-25 00:58:17,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:58:17,434 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 00:58:17,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:58:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 00:58:17,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 00:58:17,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 00:58:17,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 00:58:17,989 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 13 [2020-09-25 00:58:18,765 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-09-25 00:58:18,766 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))) [2020-09-25 00:58:18,766 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-09-25 00:58:18,766 INFO L268 CegarLoopResult]: For program point L879-2(line 879) no Hoare annotation was computed. [2020-09-25 00:58:18,767 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))) [2020-09-25 00:58:18,767 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-09-25 00:58:18,767 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 00:58:18,767 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 00:58:18,767 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 900) no Hoare annotation was computed. [2020-09-25 00:58:18,767 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |~#head~0.base| |old(~#head~0.base)|) (= |old(#length)| |#length|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~elem~0.base |old(~elem~0.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L900-2(line 900) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-09-25 00:58:18,768 INFO L264 CegarLoopResult]: At program point list_delENTRY(lines 895 898) the Hoare annotation is: (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) [2020-09-25 00:58:18,769 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))) [2020-09-25 00:58:18,769 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-09-25 00:58:18,769 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-09-25 00:58:18,769 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-09-25 00:58:18,769 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-09-25 00:58:18,769 INFO L268 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-09-25 00:58:18,769 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|)) [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point L891-3(line 891) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point L891-4(lines 889 893) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 00:58:18,770 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 00:58:18,770 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~elem~0.base ~elem~0.offset) (= ~elem~0.base 0) (< ~elem~0.offset (+ ~elem~0.base 1))) [2020-09-25 00:58:18,771 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 00:58:18,771 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 00:58:18,771 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 902 917) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 00:58:18,771 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-09-25 00:58:18,771 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (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.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (= ~elem~0.base ~elem~0.offset))) [2020-09-25 00:58:18,771 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-09-25 00:58:18,772 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (let ((.cse0 (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)))) (or (and .cse0 (not (= main_~dev2~0.offset main_~dev1~0.offset))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and (<= ~elem~0.base 0) (<= 0 ~elem~0.base) .cse0 (= ~elem~0.base ~elem~0.offset)))) [2020-09-25 00:58:18,772 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (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))) [2020-09-25 00:58:18,772 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-09-25 00:58:18,772 INFO L264 CegarLoopResult]: At program point L907-1(line 907) the Hoare annotation is: (let ((.cse1 (not (= main_~dev2~0.offset main_~dev1~0.offset))) (.cse0 (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)))) (or (and .cse0 .cse1 (not (= main_~dev1~0.offset ~elem~0.offset))) (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (not (= |old(~elem~0.offset)| 0)) (and .cse1 .cse0 (= ~elem~0.offset 0) (not (= main_~dev1~0.base 0)) (= |old(~elem~0.base)| ~elem~0.base)))) [2020-09-25 00:58:18,772 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (and (= 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)| |old(~elem~0.base)|)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 00:58:18,773 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-09-25 00:58:18,773 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~elem~0.offset)| |old(~elem~0.base)|)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-09-25 00:58:18,773 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-09-25 00:58:18,773 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-09-25 00:58:18,773 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-09-25 00:58:18,773 INFO L268 CegarLoopResult]: For program point L905-2(line 905) no Hoare annotation was computed. [2020-09-25 00:58:18,773 INFO L268 CegarLoopResult]: For program point L904-2(line 904) no Hoare annotation was computed. [2020-09-25 00:58:18,774 INFO L264 CegarLoopResult]: At program point __getMemoryENTRY(lines 869 876) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 00:58:18,774 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-09-25 00:58:18,774 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-09-25 00:58:18,774 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-25 00:58:18,774 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-25 00:58:18,774 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-25 00:58:18,774 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-25 00:58:18,774 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 874) no Hoare annotation was computed. [2020-09-25 00:58:18,775 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-25 00:58:18,775 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-25 00:58:18,775 INFO L268 CegarLoopResult]: For program point L873-2(line 873) no Hoare annotation was computed. [2020-09-25 00:58:18,775 INFO L268 CegarLoopResult]: For program point L873-3(line 873) no Hoare annotation was computed. [2020-09-25 00:58:18,775 INFO L264 CegarLoopResult]: At program point L871-2(line 871) the Hoare annotation is: (or (not (= |__getMemory_#in~size| 8)) (not (= ~elem~0.base ~elem~0.offset)) (not (= ~elem~0.offset 0))) [2020-09-25 00:58:18,775 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-09-25 00:58:18,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:58:18 BoogieIcfgContainer [2020-09-25 00:58:18,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:58:18,785 INFO L168 Benchmark]: Toolchain (without parser) took 30372.55 ms. Allocated memory was 136.8 MB in the beginning and 486.0 MB in the end (delta: 349.2 MB). Free memory was 98.4 MB in the beginning and 342.2 MB in the end (delta: -243.8 MB). Peak memory consumption was 340.0 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:18,786 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 00:58:18,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.02 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 97.8 MB in the beginning and 164.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:18,788 INFO L168 Benchmark]: Boogie Preprocessor took 64.95 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 161.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:18,788 INFO L168 Benchmark]: RCFGBuilder took 631.90 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 114.8 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:18,789 INFO L168 Benchmark]: TraceAbstraction took 29017.35 ms. Allocated memory was 199.8 MB in the beginning and 486.0 MB in the end (delta: 286.3 MB). Free memory was 114.1 MB in the beginning and 342.2 MB in the end (delta: -228.1 MB). Peak memory consumption was 292.8 MB. Max. memory is 7.1 GB. [2020-09-25 00:58:18,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.02 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 97.8 MB in the beginning and 164.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.95 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 161.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 631.90 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 114.8 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29017.35 ms. Allocated memory was 199.8 MB in the beginning and 486.0 MB in the end (delta: 286.3 MB). Free memory was 114.1 MB in the beginning and 342.2 MB in the end (delta: -228.1 MB). Peak memory consumption was 292.8 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.5s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 468 SDtfs, 683 SDslu, 1282 SDs, 0 SdLazy, 2545 SolverSat, 217 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=5, 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, 8 MinimizatonAttempts, 36 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 66 PreInvPairs, 76 NumberOfFragments, 429 HoareAnnotationTreeSize, 66 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1449 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 516 NumberOfCodeBlocks, 516 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 508 ConstructedInterpolants, 0 QuantifiedInterpolants, 127493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 127/149 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...