/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:47:11,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:47:11,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:47:11,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:47:11,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:47:11,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:47:11,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:47:11,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:47:11,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:47:11,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:47:11,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:47:11,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:47:11,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:47:11,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:47:11,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:47:11,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:47:11,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:47:11,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:47:11,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:47:11,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:47:11,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:47:11,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:47:11,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:47:11,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:47:11,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:47:11,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:47:11,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:47:11,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:47:11,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:47:11,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:47:11,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:47:11,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:47:11,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:47:11,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:47:11,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:47:11,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:47:11,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:47:11,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:47:11,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:47:11,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:47:11,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:47:11,864 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 [2020-10-28 14:47:11,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:47:11,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:47:11,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:47:11,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:47:11,923 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:47:11,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:47:11,923 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:47:11,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:47:11,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:47:11,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:47:11,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:47:11,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:47:11,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:47:11,925 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:47:11,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:47:11,926 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:47:11,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:47:11,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:47:11,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:47:11,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:47:11,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:47:11,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:47:11,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:47:11,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:47:11,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:47:11,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:47:11,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:47:11,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:47:11,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:47:11,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:47:12,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:47:12,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:47:12,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:47:12,351 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:47:12,351 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:47:12,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2020-10-28 14:47:12,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f32b5e16/54363c26511e4f81944e795ebf4e20ac/FLAG31535bbb6 [2020-10-28 14:47:13,193 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:47:13,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2020-10-28 14:47:13,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f32b5e16/54363c26511e4f81944e795ebf4e20ac/FLAG31535bbb6 [2020-10-28 14:47:13,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f32b5e16/54363c26511e4f81944e795ebf4e20ac [2020-10-28 14:47:13,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:47:13,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:47:13,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:47:13,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:47:13,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:47:13,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:47:13" (1/1) ... [2020-10-28 14:47:13,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416d5d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:13, skipping insertion in model container [2020-10-28 14:47:13,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:47:13" (1/1) ... [2020-10-28 14:47:13,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:47:13,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:47:13,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:47:13,909 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:47:13,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:47:14,073 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:47:14,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14 WrapperNode [2020-10-28 14:47:14,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:47:14,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:47:14,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:47:14,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:47:14,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (1/1) ... [2020-10-28 14:47:14,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (1/1) ... [2020-10-28 14:47:14,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (1/1) ... [2020-10-28 14:47:14,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (1/1) ... [2020-10-28 14:47:14,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (1/1) ... [2020-10-28 14:47:14,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (1/1) ... [2020-10-28 14:47:14,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (1/1) ... [2020-10-28 14:47:14,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:47:14,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:47:14,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:47:14,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:47:14,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (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 [2020-10-28 14:47:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-28 14:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-28 14:47:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-28 14:47:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2020-10-28 14:47:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2020-10-28 14:47:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2020-10-28 14:47:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:47:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:47:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:47:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:47:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:47:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:47:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:47:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:47:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:47:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:47:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:47:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:47:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:47:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:47:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:47:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:47:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:47:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:47:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:47:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:47:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:47:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:47:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:47:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:47:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:47:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:47:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:47:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:47:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:47:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:47:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:47:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:47:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:47:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:47:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:47:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:47:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:47:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:47:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:47:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:47:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:47:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:47:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:47:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:47:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:47:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:47:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:47:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:47:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:47:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:47:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:47:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:47:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:47:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:47:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:47:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:47:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:47:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:47:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:47:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:47:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:47:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:47:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:47:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:47:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:47:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:47:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:47:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-28 14:47:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-28 14:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-28 14:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:47:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:47:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:47:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:47:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:47:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:47:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:47:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:47:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:47:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:47:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:47:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:47:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:47:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:47:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:47:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:47:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:47:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:47:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:47:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:47:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:47:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:47:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:47:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:47:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:47:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:47:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:47:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:47:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:47:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:47:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:47:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:47:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:47:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:47:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:47:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:47:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:47:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:47:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-28 14:47:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-28 14:47:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:47:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:47:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:47:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-28 14:47:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2020-10-28 14:47:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:47:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:47:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2020-10-28 14:47:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:47:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2020-10-28 14:47:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:47:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:47:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:47:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:47:14,781 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-28 14:47:14,936 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:47:14,936 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-28 14:47:14,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:47:14 BoogieIcfgContainer [2020-10-28 14:47:14,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:47:14,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:47:14,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:47:14,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:47:14,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:47:13" (1/3) ... [2020-10-28 14:47:14,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:47:14, skipping insertion in model container [2020-10-28 14:47:14,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:47:14" (2/3) ... [2020-10-28 14:47:14,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:47:14, skipping insertion in model container [2020-10-28 14:47:14,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:47:14" (3/3) ... [2020-10-28 14:47:14,963 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_update_all_reverse.i [2020-10-28 14:47:14,974 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:47:14,979 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:47:14,993 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:47:15,021 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:47:15,021 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:47:15,021 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:47:15,021 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:47:15,021 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:47:15,021 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:47:15,022 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:47:15,022 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:47:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-10-28 14:47:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 14:47:15,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:15,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:47:15,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:15,056 INFO L82 PathProgramCache]: Analyzing trace with hash -434495315, now seen corresponding path program 1 times [2020-10-28 14:47:15,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:15,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387837417] [2020-10-28 14:47:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:15,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:15,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:16,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:16,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 14:47:16,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 14:47:16,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1516 [2020-10-28 14:47:16,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:16,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 14:47:16,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:16,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:47:16,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:16,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:16,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:16,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:16,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:47:16,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:16,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:16,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:16,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:47:16,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:47:16,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:16,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:16,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:16,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:16,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:16,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:16,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:16,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:47:16,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:16,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:16,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:16,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:16,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:16,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:47:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:16,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:16,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:16,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:16,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:47:16,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:16,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:47:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:47:16,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387837417] [2020-10-28 14:47:16,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:47:16,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 14:47:16,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775390049] [2020-10-28 14:47:16,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 14:47:16,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:16,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 14:47:16,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:47:16,981 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states. [2020-10-28 14:47:17,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:17,219 INFO L93 Difference]: Finished difference Result 108 states and 143 transitions. [2020-10-28 14:47:17,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 14:47:17,221 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-28 14:47:17,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:17,230 INFO L225 Difference]: With dead ends: 108 [2020-10-28 14:47:17,230 INFO L226 Difference]: Without dead ends: 47 [2020-10-28 14:47:17,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 14:47:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-28 14:47:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-28 14:47:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-28 14:47:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2020-10-28 14:47:17,285 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 34 [2020-10-28 14:47:17,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:17,286 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2020-10-28 14:47:17,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 14:47:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2020-10-28 14:47:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 14:47:17,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:17,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:47:17,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:47:17,289 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:17,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:17,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1190552236, now seen corresponding path program 1 times [2020-10-28 14:47:17,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:17,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830199153] [2020-10-28 14:47:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:17,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:17,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:17,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:18,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:18,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 14:47:18,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:47:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1539 [2020-10-28 14:47:18,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:18,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:47:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:47:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 14:47:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:18,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:18,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:18,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:47:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:18,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:18,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:18,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:18,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:19,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:19,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:47:19,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 14:47:19,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:19,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:47:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:19,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:19,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:19,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:19,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:19,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:47:19,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:19,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:19,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:19,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:19,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:19,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:19,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:47:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:19,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:19,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:19,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:19,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:47:19,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:19,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:47:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:19,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:19,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:47:19,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830199153] [2020-10-28 14:47:19,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:47:19,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:47:19,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555516898] [2020-10-28 14:47:19,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:47:19,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:19,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:47:19,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:47:19,178 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 6 states. [2020-10-28 14:47:19,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:19,482 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2020-10-28 14:47:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 14:47:19,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-28 14:47:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:19,484 INFO L225 Difference]: With dead ends: 71 [2020-10-28 14:47:19,484 INFO L226 Difference]: Without dead ends: 56 [2020-10-28 14:47:19,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:47:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-28 14:47:19,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2020-10-28 14:47:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-28 14:47:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2020-10-28 14:47:19,498 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 34 [2020-10-28 14:47:19,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:19,498 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2020-10-28 14:47:19,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:47:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2020-10-28 14:47:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 14:47:19,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:19,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:47:19,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:47:19,502 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:19,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:19,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1104110654, now seen corresponding path program 1 times [2020-10-28 14:47:19,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:19,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575973739] [2020-10-28 14:47:19,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:19,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:19,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:19,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:19,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:20,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:21,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:22,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:24,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 14:47:24,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 14:47:24,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 14:47:24,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:24,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:24,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:47:24,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:47:24,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 14:47:24,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:24,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:24,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:24,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:24,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:47:24,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:24,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:24,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:24,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:24,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:24,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:24,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:24,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:47:24,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-28 14:47:24,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:24,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:47:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:24,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:24,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:24,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:24,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:24,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:47:24,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:24,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 14:47:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:24,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:24,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:24,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:24,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:47:24,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:24,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:24,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:47:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:24,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:24,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:24,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:24,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:47:24,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:24,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:47:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:47:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 14:47:24,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575973739] [2020-10-28 14:47:24,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:47:24,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:47:24,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025004274] [2020-10-28 14:47:24,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:47:24,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:24,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:47:24,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:47:24,829 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 9 states. [2020-10-28 14:47:25,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:25,196 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2020-10-28 14:47:25,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:47:25,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-10-28 14:47:25,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:25,200 INFO L225 Difference]: With dead ends: 74 [2020-10-28 14:47:25,200 INFO L226 Difference]: Without dead ends: 60 [2020-10-28 14:47:25,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:47:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-28 14:47:25,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2020-10-28 14:47:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-28 14:47:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2020-10-28 14:47:25,213 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 42 [2020-10-28 14:47:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:25,214 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2020-10-28 14:47:25,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:47:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2020-10-28 14:47:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-28 14:47:25,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:25,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:47:25,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:47:25,216 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:25,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:25,217 INFO L82 PathProgramCache]: Analyzing trace with hash 566335172, now seen corresponding path program 1 times [2020-10-28 14:47:25,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:25,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201801494] [2020-10-28 14:47:25,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:25,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:25,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:25,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:25,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:25,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:26,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:26,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:26,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:30,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 14:47:30,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:47:30,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 14:47:30,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:30,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:47:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:47:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 14:47:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:30,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:30,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:30,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:30,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:30,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:47:30,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:30,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:30,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:30,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:30,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:30,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:47:30,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 14:47:30,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:30,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:47:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:30,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:30,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:47:30,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:30,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:30,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 14:47:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:30,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:30,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:30,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 14:47:30,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:30,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:30,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:47:30,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:47:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:30,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:47:30,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:30,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:47:30,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:30,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:47:30,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:30,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 14:47:30,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201801494] [2020-10-28 14:47:30,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:47:30,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 14:47:30,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790820035] [2020-10-28 14:47:30,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:47:30,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:30,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:47:30,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:47:30,490 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand 8 states. [2020-10-28 14:47:30,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:30,835 INFO L93 Difference]: Finished difference Result 83 states and 97 transitions. [2020-10-28 14:47:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 14:47:30,836 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-10-28 14:47:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:30,837 INFO L225 Difference]: With dead ends: 83 [2020-10-28 14:47:30,837 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 14:47:30,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:47:30,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 14:47:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2020-10-28 14:47:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-28 14:47:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2020-10-28 14:47:30,852 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 43 [2020-10-28 14:47:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:30,852 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2020-10-28 14:47:30,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:47:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2020-10-28 14:47:30,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 14:47:30,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:30,854 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:47:30,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:47:30,855 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:30,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:30,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1086589158, now seen corresponding path program 2 times [2020-10-28 14:47:30,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:30,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937116983] [2020-10-28 14:47:30,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:30,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:30,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:31,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:31,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:31,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:33,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 14:47:33,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:47:33,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2626 [2020-10-28 14:47:33,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:33,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:47:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:47:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:47:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:33,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:33,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:33,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:33,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:47:33,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:33,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:33,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:47:33,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:33,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 14:47:33,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:33,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:47:33,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:33,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 14:47:33,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:33,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:33,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:33,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:47:33,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:33,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:33,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 14:47:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:33,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:33,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:33,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:47:33,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:33,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:47:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:33,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:33,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:33,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:33,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:47:33,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:33,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:47:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:33,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 14:47:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:33,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:33,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:33,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:47:33,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:33,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:47:33,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:33,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:33,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:33,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:47:33,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:33,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 14:47:33,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937116983] [2020-10-28 14:47:33,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:47:33,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 14:47:33,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628879239] [2020-10-28 14:47:33,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:47:33,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:33,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:47:33,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:47:33,730 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand 10 states. [2020-10-28 14:47:34,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:34,059 INFO L93 Difference]: Finished difference Result 99 states and 117 transitions. [2020-10-28 14:47:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:47:34,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2020-10-28 14:47:34,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:34,061 INFO L225 Difference]: With dead ends: 99 [2020-10-28 14:47:34,061 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 14:47:34,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-28 14:47:34,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 14:47:34,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2020-10-28 14:47:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-28 14:47:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-28 14:47:34,073 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 51 [2020-10-28 14:47:34,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:34,073 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-28 14:47:34,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:47:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-28 14:47:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 14:47:34,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:34,076 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:47:34,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:47:34,076 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:34,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:34,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1737511558, now seen corresponding path program 1 times [2020-10-28 14:47:34,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:34,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578972667] [2020-10-28 14:47:34,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:34,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:34,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:34,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:34,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 14:47:37,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:47:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3174 [2020-10-28 14:47:37,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:47:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:47:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 14:47:37,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:37,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:37,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:37,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:47:37,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:37,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:37,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:37,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 14:47:37,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-28 14:47:37,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:37,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:47:37,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:37,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:37,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:37,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:37,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:47:37,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:37,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:37,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:47:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:37,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:37,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:47:37,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:47:37,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:47:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:37,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:37,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:47:37,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:47:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:47:37,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:37,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:37,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 14:47:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:37,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:37,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:47:37,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:47:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:37,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:37,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:47:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:37,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:37,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:37,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:47:37,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:47:37,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:37,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:47:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:37,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:37,648 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-28 14:47:37,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578972667] [2020-10-28 14:47:37,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:47:37,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 14:47:37,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961274289] [2020-10-28 14:47:37,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:47:37,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:37,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:47:37,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:47:37,653 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 9 states. [2020-10-28 14:47:38,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:38,136 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2020-10-28 14:47:38,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:47:38,137 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-28 14:47:38,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:38,138 INFO L225 Difference]: With dead ends: 97 [2020-10-28 14:47:38,139 INFO L226 Difference]: Without dead ends: 66 [2020-10-28 14:47:38,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-28 14:47:38,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-28 14:47:38,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-10-28 14:47:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-28 14:47:38,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2020-10-28 14:47:38,161 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 61 [2020-10-28 14:47:38,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:38,163 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2020-10-28 14:47:38,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:47:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2020-10-28 14:47:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 14:47:38,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:38,166 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:47:38,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 14:47:38,167 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:38,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:38,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1645882766, now seen corresponding path program 1 times [2020-10-28 14:47:38,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:38,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561883794] [2020-10-28 14:47:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:38,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:40,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:40,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:40,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:41,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:42,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:42,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 14:47:42,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:47:42,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4700 [2020-10-28 14:47:42,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:42,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:42,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-28 14:47:42,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:47:42,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-28 14:47:42,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:43,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:43,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:43,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:43,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:43,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:47:43,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:43,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:43,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:43,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:43,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:43,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:43,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:43,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 14:47:43,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:43,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 658 [2020-10-28 14:47:43,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:43,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-28 14:47:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 14:47:43,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:44,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:44,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:44,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:44,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:44,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:44,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 14:47:44,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:44,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:47:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:47:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:44,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:44,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:44,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:44,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:44,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 14:47:44,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:44,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:47:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:47:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:47:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:47:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:44,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:44,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:44,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:47:44,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:44,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 14:47:44,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:44,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:47:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:47:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:47:44,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:45,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:47:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:45,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:45,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:45,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:45,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:45,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 14:47:45,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:45,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:47:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:47:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:47:45,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:45,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 14:47:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:45,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:45,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:45,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:47:45,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:45,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:47:45,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:45,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:47:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:47:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 14:47:45,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561883794] [2020-10-28 14:47:45,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:47:45,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-28 14:47:45,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773311985] [2020-10-28 14:47:45,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-28 14:47:45,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:45,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-28 14:47:45,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1180, Unknown=0, NotChecked=0, Total=1260 [2020-10-28 14:47:45,763 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 36 states. [2020-10-28 14:47:47,754 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-28 14:47:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:50,702 INFO L93 Difference]: Finished difference Result 109 states and 143 transitions. [2020-10-28 14:47:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-28 14:47:50,703 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 62 [2020-10-28 14:47:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:50,706 INFO L225 Difference]: With dead ends: 109 [2020-10-28 14:47:50,706 INFO L226 Difference]: Without dead ends: 105 [2020-10-28 14:47:50,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=283, Invalid=3623, Unknown=0, NotChecked=0, Total=3906 [2020-10-28 14:47:50,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-28 14:47:50,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2020-10-28 14:47:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-28 14:47:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2020-10-28 14:47:50,742 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 62 [2020-10-28 14:47:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:50,743 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2020-10-28 14:47:50,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-28 14:47:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2020-10-28 14:47:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 14:47:50,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:50,745 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, 1, 1] [2020-10-28 14:47:50,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 14:47:50,745 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:50,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1215885072, now seen corresponding path program 2 times [2020-10-28 14:47:50,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:50,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111622872] [2020-10-28 14:47:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:50,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:50,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:50,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:50,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:53,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 14:47:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 14:47:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 14:47:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:55,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:47:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:47:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-28 14:47:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:55,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:47:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:55,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:55,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:55,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:47:55,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:55,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:47:55,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:55,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:55,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:55,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:55,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:55,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:47:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:55,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:55,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:55,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:55,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 14:47:55,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:47:55,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-28 14:47:55,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:55,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:55,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:47:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:55,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:47:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:55,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:55,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:55,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:55,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:47:55,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:55,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:55,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:55,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:47:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:55,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:55,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:55,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:55,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:47:55,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:55,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:47:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:47:55,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:56,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:47:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:56,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:56,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:47:56,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:56,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:47:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:56,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:56,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:56,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:47:56,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:47:56,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:56,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:47:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:47:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:47:56,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 14:47:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:56,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:47:56,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:47:56,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:47:56,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:47:56,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:47:56,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:47:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:47:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:47:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:47:56,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:47:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 14:47:56,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111622872] [2020-10-28 14:47:56,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:47:56,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:47:56,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700887249] [2020-10-28 14:47:56,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:47:56,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:47:56,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:47:56,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:47:56,089 INFO L87 Difference]: Start difference. First operand 96 states and 125 transitions. Second operand 10 states. [2020-10-28 14:47:56,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:47:56,643 INFO L93 Difference]: Finished difference Result 125 states and 161 transitions. [2020-10-28 14:47:56,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:47:56,644 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-28 14:47:56,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:47:56,647 INFO L225 Difference]: With dead ends: 125 [2020-10-28 14:47:56,647 INFO L226 Difference]: Without dead ends: 92 [2020-10-28 14:47:56,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-28 14:47:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-28 14:47:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-28 14:47:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-28 14:47:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2020-10-28 14:47:56,663 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 63 [2020-10-28 14:47:56,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:47:56,663 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2020-10-28 14:47:56,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:47:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2020-10-28 14:47:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 14:47:56,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:47:56,665 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, 1, 1] [2020-10-28 14:47:56,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 14:47:56,665 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:47:56,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:47:56,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1324933606, now seen corresponding path program 3 times [2020-10-28 14:47:56,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:47:56,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319083256] [2020-10-28 14:47:56,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:47:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:47:56,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:56,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:56,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:56,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:47:59,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:00,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:48:01,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:48:01,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 14:48:01,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:01,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:01,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:01,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:01,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:01,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:01,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:01,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 14:48:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 14:48:01,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:48:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:48:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:01,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:01,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:48:01,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:01,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:48:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:01,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:01,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:48:01,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:01,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:48:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:01,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:01,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:48:01,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:01,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:48:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:01,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:01,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:48:01,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:48:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:48:01,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:48:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:01,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:01,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:01,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:01,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:01,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:01,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:48:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:48:01,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319083256] [2020-10-28 14:48:01,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:01,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:48:02,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040965373] [2020-10-28 14:48:02,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:48:02,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:02,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:48:02,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:48:02,003 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand 10 states. [2020-10-28 14:48:02,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:02,608 INFO L93 Difference]: Finished difference Result 136 states and 167 transitions. [2020-10-28 14:48:02,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:48:02,609 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-28 14:48:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:02,611 INFO L225 Difference]: With dead ends: 136 [2020-10-28 14:48:02,611 INFO L226 Difference]: Without dead ends: 99 [2020-10-28 14:48:02,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-28 14:48:02,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-28 14:48:02,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2020-10-28 14:48:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-28 14:48:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 112 transitions. [2020-10-28 14:48:02,628 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 112 transitions. Word has length 63 [2020-10-28 14:48:02,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:02,629 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 112 transitions. [2020-10-28 14:48:02,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:48:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2020-10-28 14:48:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 14:48:02,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:02,630 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, 1, 1] [2020-10-28 14:48:02,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 14:48:02,630 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:02,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:02,631 INFO L82 PathProgramCache]: Analyzing trace with hash 843075590, now seen corresponding path program 4 times [2020-10-28 14:48:02,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:02,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089184372] [2020-10-28 14:48:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:02,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:02,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:02,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:03,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 14:48:07,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 14:48:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 14:48:07,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:48:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:48:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 14:48:07,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:07,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:07,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:07,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:48:07,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:48:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:07,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:48:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:07,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:07,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:07,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:48:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:07,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:48:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:48:07,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:48:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 14:48:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:07,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:07,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:07,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:07,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:07,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:07,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:07,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 14:48:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:07,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:48:07,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-28 14:48:07,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089184372] [2020-10-28 14:48:07,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:07,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:48:07,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377598199] [2020-10-28 14:48:07,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:48:07,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:07,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:48:07,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:48:07,901 INFO L87 Difference]: Start difference. First operand 92 states and 112 transitions. Second operand 10 states. [2020-10-28 14:48:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:08,496 INFO L93 Difference]: Finished difference Result 131 states and 155 transitions. [2020-10-28 14:48:08,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 14:48:08,498 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-28 14:48:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:08,500 INFO L225 Difference]: With dead ends: 131 [2020-10-28 14:48:08,500 INFO L226 Difference]: Without dead ends: 88 [2020-10-28 14:48:08,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-28 14:48:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-28 14:48:08,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-28 14:48:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-28 14:48:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 105 transitions. [2020-10-28 14:48:08,518 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 105 transitions. Word has length 63 [2020-10-28 14:48:08,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:08,519 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 105 transitions. [2020-10-28 14:48:08,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:48:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2020-10-28 14:48:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-28 14:48:08,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:08,520 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-10-28 14:48:08,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 14:48:08,521 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:08,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:08,521 INFO L82 PathProgramCache]: Analyzing trace with hash -52869059, now seen corresponding path program 1 times [2020-10-28 14:48:08,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:08,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543795761] [2020-10-28 14:48:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:08,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:08,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:08,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:08,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:09,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:09,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:11,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:11,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:11,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:11,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:13,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 14:48:13,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 14:48:13,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5139 [2020-10-28 14:48:13,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:13,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 14:48:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:48:13,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 14:48:13,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:13,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:13,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:13,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:13,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:13,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:13,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:13,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:13,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:13,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 14:48:13,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:13,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-28 14:48:13,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:13,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:13,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:13,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:13,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:48:13,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:13,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:48:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:13,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:13,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:48:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:13,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:13,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:13,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:13,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:48:13,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:13,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:13,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:14,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:48:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:14,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:14,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:14,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:14,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:48:14,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:14,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:14,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:48:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:14,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:14,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 14:48:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:14,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:48:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:14,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:14,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:14,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:14,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:48:14,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:14,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:48:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 14:48:14,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543795761] [2020-10-28 14:48:14,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:14,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 14:48:14,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92165483] [2020-10-28 14:48:14,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 14:48:14,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:14,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 14:48:14,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-10-28 14:48:14,251 INFO L87 Difference]: Start difference. First operand 88 states and 105 transitions. Second operand 17 states. [2020-10-28 14:48:15,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:15,678 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2020-10-28 14:48:15,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 14:48:15,679 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 72 [2020-10-28 14:48:15,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:15,681 INFO L225 Difference]: With dead ends: 118 [2020-10-28 14:48:15,681 INFO L226 Difference]: Without dead ends: 114 [2020-10-28 14:48:15,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2020-10-28 14:48:15,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-28 14:48:15,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 100. [2020-10-28 14:48:15,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-28 14:48:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2020-10-28 14:48:15,698 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 72 [2020-10-28 14:48:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:15,699 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2020-10-28 14:48:15,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 14:48:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2020-10-28 14:48:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-28 14:48:15,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:15,700 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:48:15,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 14:48:15,701 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:15,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:15,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1647551610, now seen corresponding path program 5 times [2020-10-28 14:48:15,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:15,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678474408] [2020-10-28 14:48:15,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:15,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:15,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:15,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:16,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:17,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:20,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:20,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 14:48:20,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 14:48:20,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 14:48:20,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:20,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:20,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:48:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:48:20,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 14:48:20,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:20,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:20,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:20,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:20,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:20,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:20,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:20,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:20,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:21,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 14:48:21,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-28 14:48:21,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:21,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:48:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 14:48:21,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:48:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:21,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:21,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:21,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:21,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:48:21,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:21,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:21,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:21,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:48:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:21,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:21,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:21,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:21,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:48:21,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:21,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:21,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:21,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:48:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:21,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:21,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:21,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:48:21,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:21,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:21,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:21,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 14:48:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:21,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:21,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:21,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:21,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:48:21,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:21,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 14:48:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:21,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:21,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:48:21,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:21,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 14:48:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:21,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:21,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:21,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:21,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:21,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:48:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 14:48:21,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678474408] [2020-10-28 14:48:21,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:48:21,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 14:48:21,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229441764] [2020-10-28 14:48:21,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 14:48:21,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:21,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 14:48:21,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:48:21,294 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand 12 states. [2020-10-28 14:48:21,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:21,911 INFO L93 Difference]: Finished difference Result 142 states and 174 transitions. [2020-10-28 14:48:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 14:48:21,912 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 72 [2020-10-28 14:48:21,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:21,913 INFO L225 Difference]: With dead ends: 142 [2020-10-28 14:48:21,914 INFO L226 Difference]: Without dead ends: 114 [2020-10-28 14:48:21,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-10-28 14:48:21,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-28 14:48:21,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2020-10-28 14:48:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-28 14:48:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 126 transitions. [2020-10-28 14:48:21,930 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 126 transitions. Word has length 72 [2020-10-28 14:48:21,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:21,931 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 126 transitions. [2020-10-28 14:48:21,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 14:48:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2020-10-28 14:48:21,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 14:48:21,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:48:21,932 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 14:48:21,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 14:48:21,933 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:48:21,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:48:21,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1377753564, now seen corresponding path program 6 times [2020-10-28 14:48:21,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:48:21,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658795776] [2020-10-28 14:48:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:48:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:21,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:21,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:23,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:26,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:26,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:26,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:26,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-28 14:48:26,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:48:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 14:48:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:26,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:48:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:48:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 14:48:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:27,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:48:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:48:27,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:27,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:48:27,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:27,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:48:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 14:48:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-28 14:48:27,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 14:48:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:48:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:27,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:27,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:48:27,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:27,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:27,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:27,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:48:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:27,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:48:27,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:27,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:48:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:27,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:27,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:48:27,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:27,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:27,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:27,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:27,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 14:48:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:27,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:27,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 14:48:27,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:27,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:27,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:48:27,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:27,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 14:48:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:27,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:48:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:48:27,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:48:27,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:48:27,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:48:27,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:48:27,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 14:48:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:48:27,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:48:27,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:48:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 14:48:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:48:27,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:48:27,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:48:27,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:48:27,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:48:27,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:48:27,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:48:27,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:48:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:48:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:48:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:48:27,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:48:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-28 14:48:27,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658795776] [2020-10-28 14:48:27,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:48:27,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:48:27,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765506045] [2020-10-28 14:48:27,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:48:27,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:48:27,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:48:27,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:48:27,513 INFO L87 Difference]: Start difference. First operand 103 states and 126 transitions. Second operand 9 states. [2020-10-28 14:48:27,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:48:27,871 INFO L93 Difference]: Finished difference Result 136 states and 162 transitions. [2020-10-28 14:48:27,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:48:27,871 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-10-28 14:48:27,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:48:27,872 INFO L225 Difference]: With dead ends: 136 [2020-10-28 14:48:27,872 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 14:48:27,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:48:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 14:48:27,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 14:48:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 14:48:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 14:48:27,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2020-10-28 14:48:27,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:48:27,876 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 14:48:27,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:48:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 14:48:27,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 14:48:27,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 14:48:27,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 14:48:28,451 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-28 14:48:28,636 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2020-10-28 14:48:28,933 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-10-28 14:48:29,381 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2020-10-28 14:48:29,484 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2020-10-28 14:48:29,506 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-28 14:48:29,506 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-28 14:48:29,506 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-28 14:48:29,506 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-28 14:48:29,507 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-28 14:48:29,507 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:48:29,507 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:48:29,507 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:48:29,507 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-28 14:48:29,507 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-28 14:48:29,507 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-28 14:48:29,507 INFO L274 CegarLoopResult]: For program point L602(lines 602 610) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L277 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point L604-3(lines 604 608) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point L602-2(lines 601 611) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L270 CegarLoopResult]: At program point dll_circular_destroyENTRY(lines 601 611) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point dll_circular_destroyEXIT(lines 601 611) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:48:29,508 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:48:29,509 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:48:29,509 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:48:29,509 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 14:48:29,509 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 14:48:29,509 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:48:29,509 INFO L270 CegarLoopResult]: At program point L638(lines 626 645) the Hoare annotation is: false [2020-10-28 14:48:29,509 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 626 645) no Hoare annotation was computed. [2020-10-28 14:48:29,509 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 626 645) no Hoare annotation was computed. [2020-10-28 14:48:29,509 INFO L274 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2020-10-28 14:48:29,509 INFO L274 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-10-28 14:48:29,510 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 626 645) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:48:29,510 INFO L270 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (.cse1 (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)))) (let ((.cse0 (= (+ main_~len~0 1) (select .cse1 8))) (.cse3 (+ main_~i~0 main_~len~0)) (.cse5 (= 0 .cse2)) (.cse6 (= main_~s~0.offset 0)) (.cse4 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)))) (or (and .cse0 (<= 2 main_~len~0) (= (select .cse1 (+ .cse2 8)) main_~expected~0) (= main_~len~0 (+ main_~i~0 1)) (= .cse3 (+ .cse4 1)) .cse5 .cse6 (<= main_~i~0 1)) (and (<= main_~len~0 2) .cse0 (<= 0 main_~i~0) (= .cse4 .cse3) .cse5 .cse6 (= (* main_~len~0 2) (+ .cse4 2)) (= .cse4 main_~expected~0))))) [2020-10-28 14:48:29,510 INFO L274 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-10-28 14:48:29,510 INFO L274 CegarLoopResult]: For program point L637-2(lines 637 639) no Hoare annotation was computed. [2020-10-28 14:48:29,510 INFO L270 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse4 (+ main_~len~0 1)) (.cse1 (<= 2 main_~len~0)) (.cse0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (.cse2 (not (= .cse5 main_~s~0.base))) (.cse3 (= main_~s~0.offset 0))) (or (and (<= .cse0 0) .cse1 (<= main_~s~0.offset .cse0) (= main_~len~0 (+ main_~i~0 1)) .cse2 .cse3 (<= main_~i~0 1) (= .cse4 main_~new_data~0)) (let ((.cse7 (+ main_~new_data~0 2)) (.cse6 (* 2 main_~len~0))) (and (<= main_~i~0 0) (= .cse4 (select (select |#memory_int| .cse5) 8)) (<= main_~len~0 2) .cse1 (<= .cse6 .cse7) (= 0 .cse0) .cse2 (<= .cse7 (+ main_~i~0 .cse6)) .cse3))))) [2020-10-28 14:48:29,511 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 640) no Hoare annotation was computed. [2020-10-28 14:48:29,511 INFO L274 CegarLoopResult]: For program point L633-1(lines 631 634) no Hoare annotation was computed. [2020-10-28 14:48:29,511 INFO L270 CegarLoopResult]: At program point L635-3(lines 635 640) the Hoare annotation is: (and (= (+ main_~len~0 1) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) 8)) (<= main_~len~0 2) (<= 2 main_~len~0) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= main_~s~0.offset 0) (<= main_~i~0 1) (= (* main_~len~0 2) (+ (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)) 2))) [2020-10-28 14:48:29,511 INFO L277 CegarLoopResult]: At program point L635-4(lines 635 640) the Hoare annotation is: true [2020-10-28 14:48:29,511 INFO L270 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:48:29,512 INFO L270 CegarLoopResult]: At program point L631-2(lines 631 634) the Hoare annotation is: (let ((.cse6 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (.cse9 (+ main_~len~0 1)) (.cse10 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse3 (+ main_~i~0 1)) (.cse0 (= .cse9 (select (select |#memory_int| .cse10) 8))) (.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse4 (= 0 .cse6)) (.cse7 (not (= .cse10 main_~s~0.base))) (.cse5 (= main_~s~0.offset 0)) (.cse8 (<= main_~i~0 1))) (or (and .cse0 .cse1 .cse2 (<= .cse3 0) .cse4 .cse5 (= (* main_~len~0 2) (+ (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)) 2))) (and (<= .cse6 0) (<= 1 main_~i~0) (<= main_~s~0.offset .cse6) (= main_~len~0 .cse3) .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse2 (<= 0 main_~i~0) .cse4 .cse7 .cse5 .cse8 (= .cse9 main_~new_data~0))))) [2020-10-28 14:48:29,512 INFO L274 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-10-28 14:48:29,512 INFO L274 CegarLoopResult]: For program point L631-3(lines 631 634) no Hoare annotation was computed. [2020-10-28 14:48:29,512 INFO L274 CegarLoopResult]: For program point dll_circular_createEXIT(lines 585 600) no Hoare annotation was computed. [2020-10-28 14:48:29,512 INFO L274 CegarLoopResult]: For program point dll_circular_createFINAL(lines 585 600) no Hoare annotation was computed. [2020-10-28 14:48:29,512 INFO L274 CegarLoopResult]: For program point L591(lines 591 593) no Hoare annotation was computed. [2020-10-28 14:48:29,512 INFO L270 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (or (<= 3 |dll_circular_create_#in~len|) (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset 0) (= (select |#valid| dll_circular_create_~head~0.base) 1) (= (select |#valid| dll_circular_create_~last~0.base) 1) (<= 2 |dll_circular_create_#in~len|))) [2020-10-28 14:48:29,512 INFO L274 CegarLoopResult]: For program point L591-2(lines 591 593) no Hoare annotation was computed. [2020-10-28 14:48:29,512 INFO L274 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-10-28 14:48:29,512 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= dll_circular_create_~len |dll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:48:29,513 INFO L270 CegarLoopResult]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse0 (= dll_circular_create_~head~0.offset 0))) (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) .cse0 (= (select |#valid| dll_circular_create_~head~0.base) 1) (= (select |#valid| dll_circular_create_~last~0.base) 1)) (and (= (select (select |#memory_$Pointer$.offset| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset) 0) (not (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) .cse0 (not (= dll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset))) (<= 2 |dll_circular_create_#in~len|)) (<= 3 |dll_circular_create_#in~len|))) [2020-10-28 14:48:29,513 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-28 14:48:29,513 INFO L274 CegarLoopResult]: For program point L588-3(lines 588 596) no Hoare annotation was computed. [2020-10-28 14:48:29,513 INFO L270 CegarLoopResult]: At program point dll_circular_createENTRY(lines 585 600) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:48:29,513 INFO L274 CegarLoopResult]: For program point dll_circular_update_atFINAL(lines 619 625) no Hoare annotation was computed. [2020-10-28 14:48:29,513 INFO L270 CegarLoopResult]: At program point L620-2(lines 620 623) the Hoare annotation is: (and (let ((.cse1 (<= (+ dll_circular_update_at_~index 1) |dll_circular_update_at_#in~index|)) (.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse4 (= |dll_circular_update_at_#in~data| dll_circular_update_at_~data))) (or (and .cse0 .cse1 .cse2 (<= 2 |dll_circular_update_at_#in~index|)) (let ((.cse3 (= dll_circular_update_at_~head.offset 0))) (and .cse0 .cse1 (<= 1 |dll_circular_update_at_#in~index|) (= dll_circular_update_at_~head.base (select (select |#memory_$Pointer$.base| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) .cse2 (or (= dll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) .cse3) (or .cse4 (not .cse3)))) (and .cse0 (= |dll_circular_update_at_#in~head.offset| dll_circular_update_at_~head.offset) .cse2 (= dll_circular_update_at_~index |dll_circular_update_at_#in~index|) (= dll_circular_update_at_~head.base |dll_circular_update_at_#in~head.base|) .cse4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-28 14:48:29,513 INFO L274 CegarLoopResult]: For program point L620-3(lines 620 623) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L274 CegarLoopResult]: For program point dll_circular_update_atEXIT(lines 619 625) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L270 CegarLoopResult]: At program point dll_circular_update_atENTRY(lines 619 625) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-28 14:48:29,514 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 575 584) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:48:29,514 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L277 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: true [2020-10-28 14:48:29,514 INFO L274 CegarLoopResult]: For program point dll_circular_get_data_atFINAL(lines 612 618) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L274 CegarLoopResult]: For program point dll_circular_get_data_atEXIT(lines 612 618) no Hoare annotation was computed. [2020-10-28 14:48:29,514 INFO L277 CegarLoopResult]: At program point dll_circular_get_data_atENTRY(lines 612 618) the Hoare annotation is: true [2020-10-28 14:48:29,515 INFO L270 CegarLoopResult]: At program point L613-2(lines 613 616) the Hoare annotation is: (or (<= 2 |dll_circular_get_data_at_#in~index|) (and (= dll_circular_get_data_at_~head.offset |dll_circular_get_data_at_#in~head.offset|) (= |dll_circular_get_data_at_#in~index| dll_circular_get_data_at_~index) (= |dll_circular_get_data_at_#in~head.base| dll_circular_get_data_at_~head.base)) (and (<= 1 |dll_circular_get_data_at_#in~index|) (= (select (select |#memory_$Pointer$.base| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|) dll_circular_get_data_at_~head.base) (= |dll_circular_get_data_at_#in~index| (+ dll_circular_get_data_at_~index 1)) (= dll_circular_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|)))) [2020-10-28 14:48:29,515 INFO L274 CegarLoopResult]: For program point L613-3(lines 613 616) no Hoare annotation was computed. [2020-10-28 14:48:29,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,536 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,536 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,537 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,538 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,544 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,550 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,551 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,556 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:48:29 BoogieIcfgContainer [2020-10-28 14:48:29,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:48:29,563 INFO L168 Benchmark]: Toolchain (without parser) took 76095.27 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 125.8 MB in the beginning and 384.6 MB in the end (delta: -258.8 MB). Peak memory consumption was 374.7 MB. Max. memory is 8.0 GB. [2020-10-28 14:48:29,564 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory was 101.0 MB in the beginning and 100.9 MB in the end (delta: 74.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:48:29,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.47 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 102.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:48:29,565 INFO L168 Benchmark]: Boogie Preprocessor took 96.40 ms. Allocated memory is still 151.0 MB. Free memory was 102.2 MB in the beginning and 133.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB. [2020-10-28 14:48:29,566 INFO L168 Benchmark]: RCFGBuilder took 778.21 ms. Allocated memory is still 151.0 MB. Free memory was 133.6 MB in the beginning and 131.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. [2020-10-28 14:48:29,567 INFO L168 Benchmark]: TraceAbstraction took 74607.77 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 131.0 MB in the beginning and 384.6 MB in the end (delta: -253.6 MB). Peak memory consumption was 379.7 MB. Max. memory is 8.0 GB. [2020-10-28 14:48:29,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory was 101.0 MB in the beginning and 100.9 MB in the end (delta: 74.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 599.47 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 102.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 96.40 ms. Allocated memory is still 151.0 MB. Free memory was 102.2 MB in the beginning and 133.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 778.21 ms. Allocated memory is still 151.0 MB. Free memory was 133.6 MB in the beginning and 131.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 74607.77 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 131.0 MB in the beginning and 384.6 MB in the end (delta: -253.6 MB). Peak memory consumption was 379.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant [2020-10-28 14:48:29,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8] && len <= 2) && 2 <= len) && i + 1 <= 0) && 0 == #memory_$Pointer$[s][s]) && s == 0) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2) || ((((((#memory_$Pointer$[s][s] <= 0 && 1 <= i) && s <= #memory_$Pointer$[s][s]) && len == i + 1) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1)) || ((((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8] && len <= 2) && 2 <= len) && 0 <= i) && 0 == #memory_$Pointer$[s][s]) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1) && len + 1 == new_data) - InvariantResult [Line: 620]: Loop Invariant [2020-10-28 14:48:29,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && index + 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 2 <= \old(index)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && index + 1 <= \old(index)) && 1 <= \old(index)) && head == #memory_$Pointer$[head][head]) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && (head == #memory_$Pointer$[head][head] || head == 0)) && (\old(data) == data || !(head == 0)))) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index == \old(index)) && head == head) && \old(data) == data)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 613]: Loop Invariant [2020-10-28 14:48:29,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (2 <= \old(index) || ((head == head && \old(index) == index) && head == head)) || (((1 <= \old(index) && #memory_$Pointer$[head][head] == head) && \old(index) == index + 1) && head == #memory_$Pointer$[head][head]) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant [2020-10-28 14:48:29,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:48:29,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8] && len <= 2) && 2 <= len) && 0 == #memory_$Pointer$[s][s]) && s == 0) && i <= 1) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2 - InvariantResult [Line: 588]: Loop Invariant [2020-10-28 14:48:29,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:48:29,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:48:29,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:48:29,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len == \old(len) && head == 0) && \valid[head] == 1) && \valid[last] == 1) || (((((#memory_$Pointer$[head][head] == 0 && !(head == last)) && len + 1 == \old(len)) && head == 0) && !(head == #memory_$Pointer$[head][head])) && 2 <= \old(len))) || 3 <= \old(len) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.8s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 571 SDtfs, 762 SDslu, 2029 SDs, 0 SdLazy, 4559 SolverSat, 560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 382 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 68 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 116 PreInvPairs, 178 NumberOfFragments, 740 HoareAnnotationTreeSize, 116 FomulaSimplifications, 1928 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1137 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 60.6s InterpolantComputationTime, 740 NumberOfCodeBlocks, 740 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 727 ConstructedInterpolants, 0 QuantifiedInterpolants, 209887 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 178/232 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...