/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block 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=0.4 --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 -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:08:08,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:08:08,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:08:08,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:08:08,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:08:08,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:08:08,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:08:08,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:08:08,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:08:08,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:08:08,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:08:08,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:08:08,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:08:08,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:08:08,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:08:08,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:08:08,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:08:08,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:08:08,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:08:08,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:08:08,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:08:08,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:08:08,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:08:08,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:08:08,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:08:08,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:08:08,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:08:08,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:08:08,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:08:08,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:08:08,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:08:08,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:08:08,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:08:08,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:08:08,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:08:08,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:08:08,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:08:08,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:08:08,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:08:08,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:08:08,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:08:08,868 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 [2020-10-14 05:08:08,906 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:08:08,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:08:08,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:08:08,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:08:08,908 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:08:08,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:08:08,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:08:08,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:08:08,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:08:08,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:08:08,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:08:08,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:08:08,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:08:08,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:08:08,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:08:08,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:08:08,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:08:08,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:08:08,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:08:08,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:08:08,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:08:08,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:08:08,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:08:08,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:08:08,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:08:08,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:08:08,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:08:08,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:08:08,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:08:08,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> 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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:08:09,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:08:09,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:08:09,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:08:09,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:08:09,242 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:08:09,243 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-14 05:08:09,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef8a402ff/dd90b85943134d1384d7390be7dd770f/FLAG83b3f5b5b [2020-10-14 05:08:09,881 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:08:09,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-14 05:08:09,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef8a402ff/dd90b85943134d1384d7390be7dd770f/FLAG83b3f5b5b [2020-10-14 05:08:10,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef8a402ff/dd90b85943134d1384d7390be7dd770f [2020-10-14 05:08:10,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:08:10,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:08:10,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:08:10,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:08:10,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:08:10,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d0cd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10, skipping insertion in model container [2020-10-14 05:08:10,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:08:10,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:08:10,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:08:10,742 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:08:10,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:08:10,859 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:08:10,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10 WrapperNode [2020-10-14 05:08:10,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:08:10,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:08:10,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:08:10,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:08:10,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (1/1) ... [2020-10-14 05:08:10,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:08:10,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:08:10,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:08:10,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:08:10,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (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 [2020-10-14 05:08:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:08:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:08:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 05:08:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 05:08:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-14 05:08:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-14 05:08:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-10-14 05:08:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-10-14 05:08:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-10-14 05:08:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-10-14 05:08:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:08:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:08:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 05:08:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 05:08:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 05:08:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 05:08:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 05:08:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 05:08:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 05:08:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 05:08:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 05:08:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 05:08:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 05:08:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 05:08:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 05:08:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 05:08:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 05:08:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 05:08:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 05:08:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 05:08:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 05:08:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 05:08:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 05:08:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 05:08:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 05:08:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 05:08:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 05:08:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 05:08:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 05:08:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 05:08:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 05:08:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 05:08:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 05:08:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 05:08:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 05:08:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 05:08:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 05:08:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 05:08:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 05:08:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 05:08:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 05:08:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 05:08:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 05:08:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 05:08:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 05:08:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 05:08:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 05:08:10,999 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 05:08:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 05:08:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 05:08:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 05:08:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 05:08:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 05:08:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 05:08:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:08:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 05:08:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 05:08:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:08:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 05:08:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 05:08:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 05:08:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 05:08:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 05:08:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 05:08:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 05:08:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 05:08:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 05:08:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:08:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 05:08:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 05:08:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 05:08:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 05:08:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 05:08:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 05:08:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 05:08:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 05:08:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 05:08:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 05:08:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 05:08:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 05:08:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 05:08:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 05:08:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 05:08:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 05:08:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 05:08:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 05:08:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 05:08:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 05:08:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 05:08:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 05:08:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 05:08:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 05:08:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 05:08:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 05:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 05:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 05:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 05:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 05:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 05:08:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 05:08:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 05:08:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 05:08:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 05:08:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 05:08:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 05:08:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 05:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 05:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-14 05:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-14 05:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:08:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:08:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-10-14 05:08:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-10-14 05:08:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:08:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:08:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-10-14 05:08:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:08:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-10-14 05:08:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:08:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:08:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:08:11,448 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-14 05:08:11,612 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:08:11,613 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 05:08:11,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:08:11 BoogieIcfgContainer [2020-10-14 05:08:11,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:08:11,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:08:11,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:08:11,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:08:11,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:08:10" (1/3) ... [2020-10-14 05:08:11,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155e8dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:08:11, skipping insertion in model container [2020-10-14 05:08:11,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:08:10" (2/3) ... [2020-10-14 05:08:11,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155e8dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:08:11, skipping insertion in model container [2020-10-14 05:08:11,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:08:11" (3/3) ... [2020-10-14 05:08:11,626 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2020-10-14 05:08:11,637 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:08:11,646 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:08:11,661 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:08:11,687 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:08:11,688 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:08:11,688 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:08:11,688 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:08:11,689 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:08:11,689 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:08:11,689 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:08:11,689 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:08:11,715 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2020-10-14 05:08:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 05:08:11,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:11,725 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] [2020-10-14 05:08:11,726 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:11,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:11,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1303429635, now seen corresponding path program 1 times [2020-10-14 05:08:11,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:11,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351847811] [2020-10-14 05:08:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:11,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:11,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:12,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:12,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:12,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:12,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:08:12,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:08:12,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-14 05:08:12,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:12,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 05:08:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:12,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:08:12,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:12,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:12,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:12,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:08:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:12,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:12,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:12,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:12,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:12,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:12,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:08:12,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:12,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:12,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 05:08:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:12,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:12,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:12,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:12,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:08:12,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:12,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:08:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:12,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:08:12,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351847811] [2020-10-14 05:08:12,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:08:12,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 05:08:12,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071002296] [2020-10-14 05:08:12,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 05:08:12,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:12,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 05:08:12,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 05:08:12,903 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 4 states. [2020-10-14 05:08:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:13,212 INFO L93 Difference]: Finished difference Result 123 states and 178 transitions. [2020-10-14 05:08:13,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 05:08:13,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-14 05:08:13,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:13,227 INFO L225 Difference]: With dead ends: 123 [2020-10-14 05:08:13,228 INFO L226 Difference]: Without dead ends: 64 [2020-10-14 05:08:13,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 05:08:13,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-14 05:08:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2020-10-14 05:08:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-14 05:08:13,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-10-14 05:08:13,290 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2020-10-14 05:08:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:13,290 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-10-14 05:08:13,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 05:08:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-10-14 05:08:13,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 05:08:13,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:13,292 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] [2020-10-14 05:08:13,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:08:13,293 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:13,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:13,294 INFO L82 PathProgramCache]: Analyzing trace with hash 2048382207, now seen corresponding path program 1 times [2020-10-14 05:08:13,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:13,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082999314] [2020-10-14 05:08:13,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:13,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:08:13,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:08:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-14 05:08:13,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:13,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:08:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:08:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:08:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:13,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:13,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:13,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:13,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:13,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:13,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:13,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:13,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:08:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 05:08:13,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:13,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:13,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:13,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 05:08:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:13,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:13,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:13,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:13,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:08:13,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:13,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:13,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:08:13,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082999314] [2020-10-14 05:08:13,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:08:13,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:08:13,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231638005] [2020-10-14 05:08:13,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:08:13,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:13,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:08:13,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:08:13,793 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 6 states. [2020-10-14 05:08:14,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:14,145 INFO L93 Difference]: Finished difference Result 87 states and 103 transitions. [2020-10-14 05:08:14,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:08:14,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-10-14 05:08:14,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:14,148 INFO L225 Difference]: With dead ends: 87 [2020-10-14 05:08:14,148 INFO L226 Difference]: Without dead ends: 74 [2020-10-14 05:08:14,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:08:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-14 05:08:14,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 39. [2020-10-14 05:08:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-14 05:08:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2020-10-14 05:08:14,160 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 25 [2020-10-14 05:08:14,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:14,161 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2020-10-14 05:08:14,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:08:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2020-10-14 05:08:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-14 05:08:14,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:14,162 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] [2020-10-14 05:08:14,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:08:14,163 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:14,163 INFO L82 PathProgramCache]: Analyzing trace with hash -749556279, now seen corresponding path program 1 times [2020-10-14 05:08:14,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:14,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113808603] [2020-10-14 05:08:14,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:14,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:14,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:14,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:15,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:16,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:16,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:08:16,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:08:16,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2220 [2020-10-14 05:08:16,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:16,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:16,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:08:16,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 05:08:16,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 05:08:16,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:16,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:16,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:16,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:16,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:16,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:16,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:16,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:16,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:16,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:16,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:16,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:16,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:16,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:16,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:16,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:16,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:08:16,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:16,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:08:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:08:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:16,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 05:08:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:16,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:16,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:16,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:16,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:08:16,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:16,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:16,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:16,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:16,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:16,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:16,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:16,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:16,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:16,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:16,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 05:08:16,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113808603] [2020-10-14 05:08:16,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:08:16,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:08:16,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366638743] [2020-10-14 05:08:16,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:08:16,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:16,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:08:16,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:08:16,594 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 9 states. [2020-10-14 05:08:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:16,976 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2020-10-14 05:08:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:08:16,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2020-10-14 05:08:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:16,978 INFO L225 Difference]: With dead ends: 70 [2020-10-14 05:08:16,978 INFO L226 Difference]: Without dead ends: 44 [2020-10-14 05:08:16,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:08:16,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-14 05:08:16,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-10-14 05:08:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-14 05:08:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2020-10-14 05:08:17,001 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 33 [2020-10-14 05:08:17,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:17,001 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2020-10-14 05:08:17,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:08:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2020-10-14 05:08:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 05:08:17,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:17,005 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] [2020-10-14 05:08:17,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:08:17,006 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:17,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:17,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1144927442, now seen corresponding path program 1 times [2020-10-14 05:08:17,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:17,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519865575] [2020-10-14 05:08:17,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:17,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:17,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:17,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:19,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:19,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:20,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:20,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 05:08:20,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:08:20,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3263 [2020-10-14 05:08:20,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:20,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:08:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:08:20,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:20,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:20,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:20,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:20,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:20,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:20,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:20,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:20,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:20,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:20,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:08:20,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 05:08:20,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:20,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:08:20,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:08:20,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:20,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:08:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:20,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:08:20,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:20,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:20,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:20,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:08:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:20,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:20,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:20,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:20,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:20,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:20,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:20,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 05:08:20,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519865575] [2020-10-14 05:08:20,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:08:20,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:08:20,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533102416] [2020-10-14 05:08:20,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:08:20,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:20,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:08:20,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:08:20,439 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand 6 states. [2020-10-14 05:08:20,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:20,624 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2020-10-14 05:08:20,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:08:20,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-10-14 05:08:20,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:20,626 INFO L225 Difference]: With dead ends: 75 [2020-10-14 05:08:20,626 INFO L226 Difference]: Without dead ends: 44 [2020-10-14 05:08:20,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:08:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-14 05:08:20,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2020-10-14 05:08:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-14 05:08:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-14 05:08:20,634 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 38 [2020-10-14 05:08:20,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:20,635 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-14 05:08:20,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:08:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-14 05:08:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 05:08:20,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:20,636 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] [2020-10-14 05:08:20,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:08:20,637 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:20,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:20,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1226811820, now seen corresponding path program 1 times [2020-10-14 05:08:20,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:20,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101584709] [2020-10-14 05:08:20,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:20,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:21,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:22,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 05:08:22,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:08:22,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1817 [2020-10-14 05:08:22,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:22,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:08:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:08:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:08:22,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:22,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:22,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:22,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:22,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:22,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:22,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:22,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:22,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:22,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:08:22,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:08:22,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 05:08:22,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:22,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:22,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:08:22,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:22,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:08:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:22,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:22,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:08:22,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:22,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:22,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:08:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:22,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:22,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:22,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:22,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:22,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:22,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:22,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 05:08:22,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101584709] [2020-10-14 05:08:22,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:22,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 05:08:22,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585575760] [2020-10-14 05:08:22,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:08:22,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:22,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:08:22,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:08:22,629 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 8 states. [2020-10-14 05:08:22,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:22,877 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2020-10-14 05:08:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:08:22,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2020-10-14 05:08:22,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:22,879 INFO L225 Difference]: With dead ends: 67 [2020-10-14 05:08:22,880 INFO L226 Difference]: Without dead ends: 54 [2020-10-14 05:08:22,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:08:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-14 05:08:22,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2020-10-14 05:08:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-14 05:08:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2020-10-14 05:08:22,893 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 38 [2020-10-14 05:08:22,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:22,894 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2020-10-14 05:08:22,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:08:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2020-10-14 05:08:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 05:08:22,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:22,903 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] [2020-10-14 05:08:22,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:08:22,903 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:22,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:22,904 INFO L82 PathProgramCache]: Analyzing trace with hash 2126711326, now seen corresponding path program 2 times [2020-10-14 05:08:22,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:22,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822625226] [2020-10-14 05:08:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:22,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:22,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:23,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:23,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:24,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:25,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 05:08:25,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:08:25,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2231 [2020-10-14 05:08:25,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:25,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:08:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:08:25,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:08:25,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:25,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:25,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:25,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:25,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:25,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:25,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:25,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:25,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:25,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:25,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:25,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:08:25,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:08:25,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 05:08:25,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:25,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:25,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:25,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:25,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 05:08:25,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:25,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:08:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:25,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:25,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:25,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:25,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:08:25,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:25,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:25,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:25,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 05:08:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:25,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:25,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:25,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 05:08:25,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:25,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:08:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:08:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:25,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:08:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:25,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:25,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:08:25,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:25,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:25,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:25,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 05:08:25,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822625226] [2020-10-14 05:08:25,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:25,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:08:25,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178584144] [2020-10-14 05:08:25,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:08:25,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:25,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:08:25,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:08:25,442 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 10 states. [2020-10-14 05:08:25,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:25,921 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2020-10-14 05:08:25,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:08:25,922 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 46 [2020-10-14 05:08:25,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:25,925 INFO L225 Difference]: With dead ends: 73 [2020-10-14 05:08:25,926 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 05:08:25,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:08:25,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 05:08:25,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 50. [2020-10-14 05:08:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-14 05:08:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2020-10-14 05:08:25,940 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 46 [2020-10-14 05:08:25,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:25,940 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2020-10-14 05:08:25,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:08:25,941 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2020-10-14 05:08:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 05:08:25,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:25,943 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] [2020-10-14 05:08:25,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:08:25,943 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:25,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:25,944 INFO L82 PathProgramCache]: Analyzing trace with hash -55565981, now seen corresponding path program 1 times [2020-10-14 05:08:25,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:25,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202488523] [2020-10-14 05:08:25,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:25,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:25,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:26,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:27,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:30,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:30,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 05:08:30,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:08:30,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 05:08:30,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:30,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:08:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 05:08:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 05:08:30,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:30,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:30,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:30,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:30,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:30,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:30,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:30,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:31,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:31,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:31,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 05:08:31,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 05:08:31,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:31,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:08:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:31,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:08:31,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:31,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 05:08:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:31,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:31,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:31,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:31,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:31,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:08:31,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:31,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:31,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 05:08:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:31,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:31,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:31,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:31,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:31,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:08:31,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:31,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:08:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:31,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:31,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 05:08:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:31,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:31,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:31,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:31,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:31,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:31,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 05:08:31,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202488523] [2020-10-14 05:08:31,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:31,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 05:08:31,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535681110] [2020-10-14 05:08:31,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 05:08:31,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:31,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 05:08:31,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:08:31,190 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand 11 states. [2020-10-14 05:08:31,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:31,509 INFO L93 Difference]: Finished difference Result 91 states and 107 transitions. [2020-10-14 05:08:31,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 05:08:31,509 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2020-10-14 05:08:31,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:31,512 INFO L225 Difference]: With dead ends: 91 [2020-10-14 05:08:31,512 INFO L226 Difference]: Without dead ends: 56 [2020-10-14 05:08:31,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:08:31,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-14 05:08:31,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-10-14 05:08:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-14 05:08:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2020-10-14 05:08:31,526 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 47 [2020-10-14 05:08:31,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:31,529 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2020-10-14 05:08:31,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 05:08:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-10-14 05:08:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 05:08:31,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:31,531 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] [2020-10-14 05:08:31,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 05:08:31,531 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:31,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:31,531 INFO L82 PathProgramCache]: Analyzing trace with hash 81529328, now seen corresponding path program 1 times [2020-10-14 05:08:31,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:31,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200848703] [2020-10-14 05:08:31,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:31,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:32,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:32,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 05:08:32,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-14 05:08:32,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:32,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-14 05:08:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 05:08:32,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 05:08:32,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:32,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:32,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:32,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:32,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:32,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:32,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:32,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:32,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:32,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:32,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:32,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:32,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:08:32,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:32,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 05:08:32,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:32,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:32,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 05:08:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:08:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:33,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:33,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:33,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:33,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:33,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:33,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 05:08:33,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:33,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:08:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:08:33,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:08:33,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:33,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:08:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:33,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:33,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:33,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:33,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 05:08:33,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:33,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:08:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:08:33,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:08:33,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:33,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:08:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:33,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:33,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:33,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:33,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:33,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:08:33,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:33,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:08:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:08:33,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 05:08:33,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200848703] [2020-10-14 05:08:33,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:33,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-14 05:08:33,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21338581] [2020-10-14 05:08:33,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-14 05:08:33,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:33,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-14 05:08:33,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2020-10-14 05:08:33,425 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 27 states. [2020-10-14 05:08:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:35,355 INFO L93 Difference]: Finished difference Result 90 states and 113 transitions. [2020-10-14 05:08:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 05:08:35,356 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2020-10-14 05:08:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:35,357 INFO L225 Difference]: With dead ends: 90 [2020-10-14 05:08:35,357 INFO L226 Difference]: Without dead ends: 88 [2020-10-14 05:08:35,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=2045, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 05:08:35,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-14 05:08:35,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 70. [2020-10-14 05:08:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-14 05:08:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2020-10-14 05:08:35,386 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 52 [2020-10-14 05:08:35,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:35,388 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2020-10-14 05:08:35,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-14 05:08:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2020-10-14 05:08:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 05:08:35,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:35,389 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] [2020-10-14 05:08:35,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 05:08:35,391 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:35,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:35,391 INFO L82 PathProgramCache]: Analyzing trace with hash 556745516, now seen corresponding path program 1 times [2020-10-14 05:08:35,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:35,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907728581] [2020-10-14 05:08:35,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:35,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:35,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:36,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:36,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:36,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:08:38,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:08:38,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3138 [2020-10-14 05:08:38,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:38,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:08:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 05:08:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:38,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:38,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:38,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:38,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:38,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:38,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:38,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:08:38,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:08:38,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:38,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:38,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:38,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:38,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:38,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:38,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:38,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:08:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:38,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:38,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:38,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:08:38,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:38,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:38,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:08:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:38,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:38,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:38,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:38,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:38,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:08:38,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:38,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:08:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:08:38,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:08:38,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 05:08:38,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907728581] [2020-10-14 05:08:38,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:38,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 05:08:38,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316356122] [2020-10-14 05:08:38,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:08:38,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:38,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:08:38,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:08:38,682 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand 8 states. [2020-10-14 05:08:38,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:38,895 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2020-10-14 05:08:38,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:08:38,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-10-14 05:08:38,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:38,897 INFO L225 Difference]: With dead ends: 94 [2020-10-14 05:08:38,897 INFO L226 Difference]: Without dead ends: 78 [2020-10-14 05:08:38,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 05:08:38,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-14 05:08:38,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2020-10-14 05:08:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-14 05:08:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2020-10-14 05:08:38,909 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 53 [2020-10-14 05:08:38,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:38,910 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2020-10-14 05:08:38,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:08:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-10-14 05:08:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 05:08:38,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:38,911 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] [2020-10-14 05:08:38,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 05:08:38,911 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:38,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:38,911 INFO L82 PathProgramCache]: Analyzing trace with hash 968301521, now seen corresponding path program 2 times [2020-10-14 05:08:38,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:38,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578538339] [2020-10-14 05:08:38,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:38,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:39,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:39,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:40,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:43,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:43,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:08:43,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:08:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 05:08:43,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:43,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:08:43,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:08:43,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 05:08:43,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:08:43,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:43,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:43,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:43,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:43,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:43,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:43,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:43,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:43,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:43,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:44,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:08:44,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:08:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 05:08:44,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:44,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:08:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:44,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:44,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:44,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:44,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:08:44,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:44,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:44,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:08:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:44,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:44,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 05:08:44,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:44,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:08:44,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:44,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:44,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:08:44,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:08:44,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:08:44,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 05:08:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:44,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:44,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:44,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:44,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 05:08:44,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578538339] [2020-10-14 05:08:44,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:44,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:08:44,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563066915] [2020-10-14 05:08:44,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:08:44,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:44,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:08:44,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:08:44,179 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. Second operand 10 states. [2020-10-14 05:08:44,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:44,545 INFO L93 Difference]: Finished difference Result 109 states and 133 transitions. [2020-10-14 05:08:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:08:44,546 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-10-14 05:08:44,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:44,548 INFO L225 Difference]: With dead ends: 109 [2020-10-14 05:08:44,548 INFO L226 Difference]: Without dead ends: 68 [2020-10-14 05:08:44,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:08:44,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-14 05:08:44,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-14 05:08:44,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-14 05:08:44,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2020-10-14 05:08:44,558 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 53 [2020-10-14 05:08:44,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:44,558 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2020-10-14 05:08:44,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:08:44,558 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2020-10-14 05:08:44,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 05:08:44,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:44,559 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] [2020-10-14 05:08:44,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 05:08:44,559 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:44,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:44,560 INFO L82 PathProgramCache]: Analyzing trace with hash 524255485, now seen corresponding path program 3 times [2020-10-14 05:08:44,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:44,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263188873] [2020-10-14 05:08:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:44,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:45,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 05:08:45,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:08:45,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-14 05:08:45,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:45,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:08:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 05:08:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:45,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:45,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:45,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:45,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:45,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:45,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:45,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:45,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:45,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:08:45,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:08:45,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:45,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:45,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:45,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:45,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:45,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:45,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:08:45,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:45,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:45,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:08:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:08:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:08:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:45,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 05:08:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:45,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:45,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:45,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:45,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:08:45,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:45,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:45,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:08:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:45,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 05:08:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:45,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:45,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:45,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:45,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:45,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:45,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:45,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:45,499 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 05:08:45,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263188873] [2020-10-14 05:08:45,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:45,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 05:08:45,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322761022] [2020-10-14 05:08:45,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:08:45,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:45,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:08:45,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:08:45,501 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand 8 states. [2020-10-14 05:08:45,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:45,792 INFO L93 Difference]: Finished difference Result 106 states and 124 transitions. [2020-10-14 05:08:45,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:08:45,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-10-14 05:08:45,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:45,793 INFO L225 Difference]: With dead ends: 106 [2020-10-14 05:08:45,793 INFO L226 Difference]: Without dead ends: 73 [2020-10-14 05:08:45,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 05:08:45,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-14 05:08:45,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2020-10-14 05:08:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-14 05:08:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2020-10-14 05:08:45,804 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 53 [2020-10-14 05:08:45,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:45,804 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2020-10-14 05:08:45,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:08:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2020-10-14 05:08:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 05:08:45,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:45,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:08:45,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 05:08:45,806 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:45,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:45,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1787763814, now seen corresponding path program 4 times [2020-10-14 05:08:45,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:45,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067156981] [2020-10-14 05:08:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:45,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:45,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:47,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:47,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:47,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:47,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:50,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 05:08:50,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:08:50,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4895 [2020-10-14 05:08:50,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:50,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:08:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:08:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 05:08:50,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:50,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:50,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:50,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:50,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:50,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:50,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:50,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:50,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:50,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:50,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:50,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:08:50,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:08:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 05:08:50,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:50,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:08:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:50,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:50,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:50,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:50,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:08:50,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:50,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:50,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:08:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:50,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:50,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:50,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:50,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:08:50,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:50,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:50,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:50,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:50,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 05:08:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:50,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:50,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:50,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:50,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:08:50,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:50,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:08:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:50,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 05:08:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:50,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:50,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:50,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:50,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:50,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:50,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:50,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:08:50,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:50,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:50,915 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-14 05:08:50,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067156981] [2020-10-14 05:08:50,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:08:50,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:08:50,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956679751] [2020-10-14 05:08:50,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:08:50,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:50,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:08:50,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:08:50,917 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 9 states. [2020-10-14 05:08:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:51,164 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2020-10-14 05:08:51,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:08:51,164 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-14 05:08:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:51,166 INFO L225 Difference]: With dead ends: 97 [2020-10-14 05:08:51,166 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 05:08:51,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:08:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 05:08:51,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-14 05:08:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 05:08:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2020-10-14 05:08:51,177 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 60 [2020-10-14 05:08:51,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:51,177 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2020-10-14 05:08:51,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:08:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2020-10-14 05:08:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 05:08:51,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:51,179 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] [2020-10-14 05:08:51,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 05:08:51,179 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:51,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:51,179 INFO L82 PathProgramCache]: Analyzing trace with hash 2080104955, now seen corresponding path program 1 times [2020-10-14 05:08:51,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:51,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620762943] [2020-10-14 05:08:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:51,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:51,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:51,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:51,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:51,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:51,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:51,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:53,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:53,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 05:08:53,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:08:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2299 [2020-10-14 05:08:53,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:53,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:08:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 05:08:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 05:08:53,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:53,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:53,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:53,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:53,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:53,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:53,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:08:53,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:53,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:53,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:53,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:53,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:53,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:53,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:08:53,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:53,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:08:53,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:53,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:53,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:53,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:53,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:53,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:53,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:53,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:08:53,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:53,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:53,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:53,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:53,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:08:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:53,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:53,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:53,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:53,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:53,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:53,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:53,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:53,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:53,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:08:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:53,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:53,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:53,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:53,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:53,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:53,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 05:08:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:53,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:53,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:53,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:53,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:08:53,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:53,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:08:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:08:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:53,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 05:08:53,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620762943] [2020-10-14 05:08:53,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:08:53,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:08:53,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793130562] [2020-10-14 05:08:53,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:08:53,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:53,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:08:53,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:08:53,618 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 9 states. [2020-10-14 05:08:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:08:53,851 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2020-10-14 05:08:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:08:53,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-14 05:08:53,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:08:53,853 INFO L225 Difference]: With dead ends: 64 [2020-10-14 05:08:53,854 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 05:08:53,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:08:53,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 05:08:53,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-14 05:08:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 05:08:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2020-10-14 05:08:53,863 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 62 [2020-10-14 05:08:53,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:08:53,864 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2020-10-14 05:08:53,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:08:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2020-10-14 05:08:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 05:08:53,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:08:53,865 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] [2020-10-14 05:08:53,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 05:08:53,865 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:08:53,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:08:53,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1911919487, now seen corresponding path program 1 times [2020-10-14 05:08:53,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:08:53,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379986119] [2020-10-14 05:08:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:08:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:53,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:54,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:54,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:54,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:54,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:54,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:55,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:55,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:57,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:57,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:58,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:58,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 05:08:58,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 05:08:58,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:08:58,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:58,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 05:08:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:08:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 05:08:58,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:59,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:08:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:59,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:59,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:59,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:08:59,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:08:59,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:59,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:08:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:08:59,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:59,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:08:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:59,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:59,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:59,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:08:59,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:08:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 05:08:59,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:59,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 05:08:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 05:08:59,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:08:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:59,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:59,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:59,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:59,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:08:59,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:59,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:59,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:08:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:08:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:08:59,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:59,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:08:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:59,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:59,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:59,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:59,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:08:59,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:59,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:08:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:08:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:08:59,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:59,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:08:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:59,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:59,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:59,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:08:59,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:59,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:08:59,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:59,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:08:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:08:59,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:59,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 05:08:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:08:59,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:08:59,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:08:59,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:08:59,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:08:59,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:08:59,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:08:59,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:08:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:08:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:08:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:08:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:08:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 05:08:59,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379986119] [2020-10-14 05:08:59,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:08:59,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 05:08:59,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405712058] [2020-10-14 05:08:59,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 05:08:59,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:08:59,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 05:08:59,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2020-10-14 05:08:59,925 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 29 states. [2020-10-14 05:09:01,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:01,833 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2020-10-14 05:09:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 05:09:01,836 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 63 [2020-10-14 05:09:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:01,837 INFO L225 Difference]: With dead ends: 98 [2020-10-14 05:09:01,838 INFO L226 Difference]: Without dead ends: 94 [2020-10-14 05:09:01,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=206, Invalid=2050, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 05:09:01,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-14 05:09:01,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-10-14 05:09:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-14 05:09:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2020-10-14 05:09:01,852 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 63 [2020-10-14 05:09:01,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:01,853 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2020-10-14 05:09:01,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 05:09:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2020-10-14 05:09:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 05:09:01,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:01,854 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:01,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 05:09:01,854 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:01,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:01,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1110625605, now seen corresponding path program 2 times [2020-10-14 05:09:01,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:01,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047423122] [2020-10-14 05:09:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:01,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:01,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:01,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:01,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:02,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:02,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:05,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:06,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:06,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 05:09:06,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:09:06,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5096 [2020-10-14 05:09:06,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:06,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:09:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:06,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 05:09:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:06,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:06,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:06,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:06,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:09:06,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:06,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:07,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:07,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:07,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:09:07,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 05:09:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:07,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:09:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:07,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:09:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:07,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:07,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:07,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:09:07,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:07,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:07,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 05:09:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:09:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:07,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:09:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:07,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 05:09:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:07,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:09:07,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:07,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:07,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 05:09:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:07,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:07,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 05:09:07,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:09:07,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:07,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:09:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:09:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:09:07,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 05:09:07,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047423122] [2020-10-14 05:09:07,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:09:07,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:09:07,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770494713] [2020-10-14 05:09:07,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:09:07,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:07,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:09:07,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:09:07,211 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 10 states. [2020-10-14 05:09:07,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:07,553 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2020-10-14 05:09:07,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:09:07,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-14 05:09:07,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:07,555 INFO L225 Difference]: With dead ends: 92 [2020-10-14 05:09:07,555 INFO L226 Difference]: Without dead ends: 65 [2020-10-14 05:09:07,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:09:07,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-14 05:09:07,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-14 05:09:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-14 05:09:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-10-14 05:09:07,563 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 64 [2020-10-14 05:09:07,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:07,563 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-10-14 05:09:07,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:09:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-10-14 05:09:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-14 05:09:07,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:07,564 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-14 05:09:07,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 05:09:07,565 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:07,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:07,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1056283406, now seen corresponding path program 3 times [2020-10-14 05:09:07,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:07,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132310230] [2020-10-14 05:09:07,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:07,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:07,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:08,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:08,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:08,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:09,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:09,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:09,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:10,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:10,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:11,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:12,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 05:09:12,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 05:09:12,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 05:09:12,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:12,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:12,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:09:12,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:09:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:12,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:12,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:12,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:12,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:09:12,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:12,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:12,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:12,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:12,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:09:12,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 05:09:12,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:12,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:09:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:09:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 05:09:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:12,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:09:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:12,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:12,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:12,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:12,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:12,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:12,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:12,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:09:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:12,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:09:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:12,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:12,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:09:12,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:12,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:09:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:12,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:09:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:12,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:12,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:09:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:12,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:09:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:12,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:12,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:09:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:12,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:12,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:12,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:12,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:12,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:09:12,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:12,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:12,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:12,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:09:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:12,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 05:09:12,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132310230] [2020-10-14 05:09:12,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:09:12,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:09:12,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739891625] [2020-10-14 05:09:12,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:09:12,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:12,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:09:12,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:09:12,907 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 10 states. [2020-10-14 05:09:13,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:13,153 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2020-10-14 05:09:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:09:13,155 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-10-14 05:09:13,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:13,155 INFO L225 Difference]: With dead ends: 65 [2020-10-14 05:09:13,156 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 05:09:13,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:09:13,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 05:09:13,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 05:09:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 05:09:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 05:09:13,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-10-14 05:09:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:13,163 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 05:09:13,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:09:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 05:09:13,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 05:09:13,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 05:09:13,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 05:09:13,661 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2020-10-14 05:09:13,843 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-10-14 05:09:13,965 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-10-14 05:09:14,150 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-10-14 05:09:14,266 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2020-10-14 05:09:14,447 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (and (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= dll_update_at_~data |dll_update_at_#in~data|)) (.cse2 (<= (+ dll_update_at_~index 1) |dll_update_at_#in~index|))) (or (and .cse0 .cse1 (<= 2 |dll_update_at_#in~index|) .cse2) (and .cse0 (= dll_update_at_~head.offset |dll_update_at_#in~head.offset|) .cse3 .cse1 (= dll_update_at_~index |dll_update_at_#in~index|) (= |dll_update_at_#in~head.base| dll_update_at_~head.base)) (and (or (= (select (select |old(#memory_$Pointer$.base)| |dll_update_at_#in~head.base|) 4) dll_update_at_~head.base) (not (= 0 |dll_update_at_#in~head.offset|))) .cse0 .cse1 (let ((.cse4 (+ |dll_update_at_#in~head.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |dll_update_at_#in~head.base|) .cse4))) (or (and (= dll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_update_at_#in~head.base|) .cse4)) .cse3 (= dll_update_at_~head.base .cse5)) (= |dll_update_at_#in~head.base| .cse5)))) (<= 1 |dll_update_at_#in~index|) .cse2))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 05:09:14,448 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-14 05:09:14,448 INFO L264 CegarLoopResult]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 05:09:14,448 INFO L268 CegarLoopResult]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-14 05:09:14,448 INFO L268 CegarLoopResult]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-14 05:09:14,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:09:14,449 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:09:14,449 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:09:14,449 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-10-14 05:09:14,449 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-10-14 05:09:14,449 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-10-14 05:09:14,449 INFO L268 CegarLoopResult]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2020-10-14 05:09:14,449 INFO L264 CegarLoopResult]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:09:14,450 INFO L264 CegarLoopResult]: At program point L576-2(lines 576 589) the Hoare annotation is: (let ((.cse0 (= dll_create_~head~0.offset 0)) (.cse2 (not (= (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 4)) dll_create_~new_head~0.base))) (.cse4 (= dll_create_~new_head~0.offset 0)) (.cse3 (select |#memory_$Pointer$.base| dll_create_~head~0.base)) (.cse1 (= (select |#valid| dll_create_~new_head~0.base) 1)) (.cse5 (= (select |#valid| dll_create_~head~0.base) 1))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= 0 dll_create_~head~0.base)) (and .cse1 .cse0 .cse2 (not (= 2 |dll_create_#in~len|)) (not (= (select .cse3 4) dll_create_~head~0.base)) .cse4 .cse5) (and .cse1 (<= dll_create_~len 0) .cse0 .cse2 .cse4 (<= |dll_create_#in~len| (+ dll_create_~len 2)) (not (= (select .cse3 (+ dll_create_~head~0.offset 4)) dll_create_~head~0.base)) .cse5) (and .cse1 (= (+ dll_create_~len 1) |dll_create_#in~len|) .cse5))) [2020-10-14 05:09:14,450 INFO L268 CegarLoopResult]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2020-10-14 05:09:14,450 INFO L268 CegarLoopResult]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2020-10-14 05:09:14,450 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-10-14 05:09:14,450 INFO L268 CegarLoopResult]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2020-10-14 05:09:14,450 INFO L268 CegarLoopResult]: For program point L584(lines 584 586) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point L578(lines 578 580) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:09:14,451 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:09:14,452 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:09:14,452 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 05:09:14,452 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 05:09:14,452 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:09:14,452 INFO L264 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: (and (or (and (<= dll_get_data_at_~index |dll_get_data_at_#in~index|) (<= 1 |dll_get_data_at_#in~index|)) (= |dll_get_data_at_#in~index| dll_get_data_at_~index)) (let ((.cse0 (<= (+ dll_get_data_at_~index 1) |dll_get_data_at_#in~index|))) (or (and (<= |dll_get_data_at_#in~index| dll_get_data_at_~index) (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|)) (and .cse0 (<= 2 |dll_get_data_at_#in~index|)) (let ((.cse1 (+ |dll_get_data_at_#in~head.offset| 4))) (and (= dll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_get_data_at_#in~head.base|) .cse1)) (= (select (select |#memory_$Pointer$.base| |dll_get_data_at_#in~head.base|) .cse1) dll_get_data_at_~head.base) .cse0))))) [2020-10-14 05:09:14,452 INFO L268 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-10-14 05:09:14,452 INFO L268 CegarLoopResult]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-10-14 05:09:14,452 INFO L271 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-10-14 05:09:14,453 INFO L268 CegarLoopResult]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-10-14 05:09:14,453 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-10-14 05:09:14,453 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-14 05:09:14,455 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse7 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7))) (let ((.cse5 (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7)))) (let ((.cse0 (<= 2 main_~len~0)) (.cse1 (not (= .cse6 main_~s~0.base))) (.cse3 (<= .cse5 (+ main_~len~0 1))) (.cse4 (<= (* 2 main_~len~0) (+ .cse5 1)))) (or (let ((.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse0 .cse1 (= main_~i~0 0) (= .cse2 main_~expected~0) .cse3 (= main_~len~0 .cse2) .cse4)) (and .cse0 .cse1 (<= main_~len~0 (+ main_~i~0 1)) .cse3 .cse4 (<= main_~expected~0 .cse5) (<= (+ main_~i~0 .cse5) (+ main_~expected~0 1)))))))) [2020-10-14 05:09:14,455 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-14 05:09:14,455 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-10-14 05:09:14,456 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-10-14 05:09:14,457 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse0 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) main_~s~0.base))) (.cse1 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse2 (= main_~s~0.offset 0))) (or (and .cse0 (<= 2 main_~len~0) .cse1 (<= main_~len~0 (+ main_~i~0 2)) (<= main_~new_data~0 main_~len~0) .cse2) (let ((.cse3 (+ main_~i~0 1))) (and .cse0 (<= .cse3 main_~len~0) (<= 1 main_~i~0) (<= main_~len~0 .cse3) .cse1 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) .cse2 (<= main_~i~0 1))))) [2020-10-14 05:09:14,458 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-10-14 05:09:14,459 INFO L268 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-10-14 05:09:14,459 INFO L264 CegarLoopResult]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6))) (let ((.cse4 (select (select |#memory_int| .cse5) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse6)))) (let ((.cse1 (not (= .cse5 main_~s~0.base))) (.cse0 (<= 2 main_~len~0)) (.cse2 (<= .cse4 (+ main_~len~0 1))) (.cse3 (<= (* 2 main_~len~0) (+ .cse4 1)))) (or (and (<= main_~len~0 2) .cse0 (<= main_~len~0 main_~i~0)) (and .cse0 .cse1 .cse2 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) .cse3 (<= main_~len~0 (+ main_~i~0 2))) (and .cse1 .cse0 (<= main_~len~0 (+ main_~i~0 1)) .cse2 .cse3)))))) [2020-10-14 05:09:14,459 INFO L271 CegarLoopResult]: At program point L622-4(lines 622 627) the Hoare annotation is: true [2020-10-14 05:09:14,459 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:09:14,459 INFO L264 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6))) (let ((.cse2 (= main_~s~0.offset 0)) (.cse0 (not (= .cse5 main_~s~0.base))) (.cse1 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)))) (or (and .cse0 (<= main_~len~0 2) (<= (+ main_~i~0 1) main_~len~0) (<= main_~len~0 main_~new_data~0) (<= 1 main_~i~0) .cse1 (<= main_~new_data~0 main_~len~0) .cse2) (let ((.cse3 (+ main_~i~0 2))) (and .cse0 (= main_~i~0 0) (<= .cse3 main_~len~0) (<= main_~len~0 .cse3) .cse2)) (let ((.cse4 (select (select |#memory_int| .cse5) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse6)))) (and .cse0 (<= 2 main_~len~0) (<= .cse4 (+ main_~len~0 1)) (<= main_~len~0 main_~i~0) .cse1 (<= (* 2 main_~len~0) (+ .cse4 1)))))))) [2020-10-14 05:09:14,460 INFO L268 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-14 05:09:14,460 INFO L268 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-14 05:09:14,460 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2020-10-14 05:09:14,460 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:09:14,460 INFO L264 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-10-14 05:09:14,460 INFO L268 CegarLoopResult]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-10-14 05:09:14,460 INFO L264 CegarLoopResult]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-14 05:09:14,461 INFO L271 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-14 05:09:14,461 INFO L268 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-10-14 05:09:14,461 INFO L268 CegarLoopResult]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2020-10-14 05:09:14,462 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-10-14 05:09:14,462 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-14 05:09:14,462 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-10-14 05:09:14,462 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-10-14 05:09:14,462 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-10-14 05:09:14,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,481 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,504 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,544 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,548 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,549 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,557 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,558 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:09:14 BoogieIcfgContainer [2020-10-14 05:09:14,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 05:09:14,608 INFO L168 Benchmark]: Toolchain (without parser) took 64447.61 ms. Allocated memory was 147.3 MB in the beginning and 894.4 MB in the end (delta: 747.1 MB). Free memory was 102.0 MB in the beginning and 248.9 MB in the end (delta: -146.8 MB). Peak memory consumption was 600.3 MB. Max. memory is 7.1 GB. [2020-10-14 05:09:14,615 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 05:09:14,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.77 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 102.0 MB in the beginning and 166.2 MB in the end (delta: -64.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-10-14 05:09:14,623 INFO L168 Benchmark]: Boogie Preprocessor took 71.44 ms. Allocated memory is still 203.4 MB. Free memory was 166.2 MB in the beginning and 163.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 05:09:14,624 INFO L168 Benchmark]: RCFGBuilder took 685.05 ms. Allocated memory is still 203.4 MB. Free memory was 163.2 MB in the beginning and 113.3 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2020-10-14 05:09:14,626 INFO L168 Benchmark]: TraceAbstraction took 62987.45 ms. Allocated memory was 203.4 MB in the beginning and 894.4 MB in the end (delta: 691.0 MB). Free memory was 113.3 MB in the beginning and 248.9 MB in the end (delta: -135.6 MB). Peak memory consumption was 555.4 MB. Max. memory is 7.1 GB. [2020-10-14 05:09:14,637 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.77 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 102.0 MB in the beginning and 166.2 MB in the end (delta: -64.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.44 ms. Allocated memory is still 203.4 MB. Free memory was 166.2 MB in the beginning and 163.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 685.05 ms. Allocated memory is still 203.4 MB. Free memory was 163.2 MB in the beginning and 113.3 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 62987.45 ms. Allocated memory was 203.4 MB in the beginning and 894.4 MB in the end (delta: 691.0 MB). Free memory was 113.3 MB in the beginning and 248.9 MB in the end (delta: -135.6 MB). Peak memory consumption was 555.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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_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_$Pointer$ - 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_$Pointer$ - 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_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_$Pointer$ - 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_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_$Pointer$ - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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_$Pointer$ - 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_$Pointer$ - 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_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_$Pointer$ - 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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: 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: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant [2020-10-14 05:09:14,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((!(#memory_$Pointer$[s][s + 4] == s) && len <= 2) && i + 1 <= len) && len <= new_data) && 1 <= i) && len == unknown-#memory_int-unknown[s][s]) && new_data <= len) && s == 0) || ((((!(#memory_$Pointer$[s][s + 4] == s) && i == 0) && i + 2 <= len) && len <= i + 2) && s == 0)) || (((((!(#memory_$Pointer$[s][s + 4] == s) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && len <= i) && len == unknown-#memory_int-unknown[s][s]) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) - InvariantResult [Line: 607]: Loop Invariant [2020-10-14 05:09:14,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 2 <= \old(index)) && index + 1 <= \old(index)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && data == \old(data)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index == \old(index)) && head == head)) || ((((((\old(#memory_$Pointer$)[head][4] == head || !(0 == head)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && (((head == #memory_$Pointer$[head][head + 4] && data == \old(data)) && head == #memory_$Pointer$[head][head + 4]) || head == #memory_$Pointer$[head][head + 4])) && 1 <= \old(index)) && index + 1 <= \old(index))) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 600]: Loop Invariant [2020-10-14 05:09:14,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((index <= \old(index) && 1 <= \old(index)) || \old(index) == index) && ((((\old(index) <= index && head == head) && head == head) || (index + 1 <= \old(index) && 2 <= \old(index))) || ((head == #memory_$Pointer$[head][head + 4] && #memory_$Pointer$[head][head + 4] == head) && index + 1 <= \old(index))) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant [2020-10-14 05:09:14,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 05:09:14,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) && 0 == head) || ((((((\valid[new_head] == 1 && head == 0) && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && !(2 == \old(len))) && !(#memory_$Pointer$[head][4] == head)) && new_head == 0) && \valid[head] == 1)) || (((((((\valid[new_head] == 1 && len <= 0) && head == 0) && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && new_head == 0) && \old(len) <= len + 2) && !(#memory_$Pointer$[head][head + 4] == head)) && \valid[head] == 1)) || ((\valid[new_head] == 1 && len + 1 == \old(len)) && \valid[head] == 1) - InvariantResult [Line: 622]: Loop Invariant [2020-10-14 05:09:14,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:09:14,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:09:14,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:09:14,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:09:14,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((len <= 2 && 2 <= len) && len <= i) || (((((2 <= len && !(#memory_$Pointer$[s][s + 4] == s)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && len == unknown-#memory_int-unknown[s][s]) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len <= i + 2)) || ((((!(#memory_$Pointer$[s][s + 4] == s) && 2 <= len) && len <= i + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.4s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 522 SDtfs, 815 SDslu, 1639 SDs, 0 SdLazy, 4424 SolverSat, 457 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=14, 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, 16 MinimizatonAttempts, 123 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 84 PreInvPairs, 135 NumberOfFragments, 898 HoareAnnotationTreeSize, 84 FomulaSimplifications, 4934 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 22 FomulaSimplificationsInter, 829 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 52.4s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 764 ConstructedInterpolants, 0 QuantifiedInterpolants, 183162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 213/281 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...