/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:24:33,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:24:33,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:24:33,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:24:33,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:24:33,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:24:33,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:24:33,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:24:33,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:24:33,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:24:33,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:24:33,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:24:33,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:24:33,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:24:33,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:24:33,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:24:33,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:24:33,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:24:33,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:24:33,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:24:33,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:24:33,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:24:33,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:24:33,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:24:33,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:24:33,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:24:33,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:24:33,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:24:33,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:24:33,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:24:33,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:24:33,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:24:33,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:24:33,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:24:33,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:24:33,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:24:33,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:24:33,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:24:33,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:24:33,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:24:33,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:24:33,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 19:24:33,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:24:33,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:24:33,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:24:33,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:24:33,952 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:24:33,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:24:33,952 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:24:33,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:24:33,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:24:33,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:24:33,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:24:33,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:24:33,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:24:33,954 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:24:33,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:24:33,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:24:33,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:24:33,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:24:33,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:24:33,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:24:33,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:24:33,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:24:33,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:24:33,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:24:33,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:24:33,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:24:33,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:24:33,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:24:33,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:24:33,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:24:34,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:24:34,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:24:34,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:24:34,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:24:34,451 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:24:34,452 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-09-24 19:24:34,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d2f2a89b/b96f499e9cb74b2aabf7c09c45b21d84/FLAG29b148b22 [2020-09-24 19:24:35,157 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:24:35,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-09-24 19:24:35,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d2f2a89b/b96f499e9cb74b2aabf7c09c45b21d84/FLAG29b148b22 [2020-09-24 19:24:35,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d2f2a89b/b96f499e9cb74b2aabf7c09c45b21d84 [2020-09-24 19:24:35,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:24:35,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:24:35,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:24:35,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:24:35,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:24:35,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:24:35" (1/1) ... [2020-09-24 19:24:35,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101a8ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:35, skipping insertion in model container [2020-09-24 19:24:35,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:24:35" (1/1) ... [2020-09-24 19:24:35,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:24:35,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:24:35,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:24:35,977 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:24:36,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:24:36,107 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:24:36,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36 WrapperNode [2020-09-24 19:24:36,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:24:36,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:24:36,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:24:36,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:24:36,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... [2020-09-24 19:24:36,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... [2020-09-24 19:24:36,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... [2020-09-24 19:24:36,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... [2020-09-24 19:24:36,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... [2020-09-24 19:24:36,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... [2020-09-24 19:24:36,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... [2020-09-24 19:24:36,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:24:36,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:24:36,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:24:36,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:24:36,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:24:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:24:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:24:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-24 19:24:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-24 19:24:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-09-24 19:24:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-09-24 19:24:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-09-24 19:24:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-09-24 19:24:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-09-24 19:24:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-09-24 19:24:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:24:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:24:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-24 19:24:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-24 19:24:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-24 19:24:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-24 19:24:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-24 19:24:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-24 19:24:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-24 19:24:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-24 19:24:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-24 19:24:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-24 19:24:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-24 19:24:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-24 19:24:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-24 19:24:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-24 19:24:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-24 19:24:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-24 19:24:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-24 19:24:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-24 19:24:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-24 19:24:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-24 19:24:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-24 19:24:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-24 19:24:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-24 19:24:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-24 19:24:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-24 19:24:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-24 19:24:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-24 19:24:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-24 19:24:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-24 19:24:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-24 19:24:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-24 19:24:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-24 19:24:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-24 19:24:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-24 19:24:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-24 19:24:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-24 19:24:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-24 19:24:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-24 19:24:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-24 19:24:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-24 19:24:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-24 19:24:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-24 19:24:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-24 19:24:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-24 19:24:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-24 19:24:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-24 19:24:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-24 19:24:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-24 19:24:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-24 19:24:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-24 19:24:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-24 19:24:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-24 19:24:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:24:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 19:24:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 19:24:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 19:24:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 19:24:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-24 19:24:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 19:24:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-24 19:24:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-24 19:24:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 19:24:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-24 19:24:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-24 19:24:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-24 19:24:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-24 19:24:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-24 19:24:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-24 19:24:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-24 19:24:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-24 19:24:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-24 19:24:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-24 19:24:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-24 19:24:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-24 19:24:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-24 19:24:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-24 19:24:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-24 19:24:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-24 19:24:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-24 19:24:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-24 19:24:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-24 19:24:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-24 19:24:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-24 19:24:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-24 19:24:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-24 19:24:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-24 19:24:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-24 19:24:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-24 19:24:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-24 19:24:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-24 19:24:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-24 19:24:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-24 19:24:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-24 19:24:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-24 19:24:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-24 19:24:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-24 19:24:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-24 19:24:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-24 19:24:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-24 19:24:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-24 19:24:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-24 19:24:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-24 19:24:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-24 19:24:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-24 19:24:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-24 19:24:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-09-24 19:24:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-09-24 19:24:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:24:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 19:24:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:24:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-09-24 19:24:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-09-24 19:24:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 19:24:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:24:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-09-24 19:24:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:24:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-09-24 19:24:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:24:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:24:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:24:36,713 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-09-24 19:24:36,855 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:24:36,855 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-24 19:24:36,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:24:36 BoogieIcfgContainer [2020-09-24 19:24:36,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:24:36,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:24:36,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:24:36,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:24:36,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:24:35" (1/3) ... [2020-09-24 19:24:36,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d91b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:24:36, skipping insertion in model container [2020-09-24 19:24:36,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:24:36" (2/3) ... [2020-09-24 19:24:36,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d91b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:24:36, skipping insertion in model container [2020-09-24 19:24:36,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:24:36" (3/3) ... [2020-09-24 19:24:36,870 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-09-24 19:24:36,882 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:24:36,893 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:24:36,916 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:24:36,948 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:24:36,948 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:24:36,948 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:24:36,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:24:36,949 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:24:36,949 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:24:36,949 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:24:36,949 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:24:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-09-24 19:24:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 19:24:36,987 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:36,988 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] [2020-09-24 19:24:36,989 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:36,997 INFO L82 PathProgramCache]: Analyzing trace with hash 482514570, now seen corresponding path program 1 times [2020-09-24 19:24:37,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:37,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398976749] [2020-09-24 19:24:37,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:37,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:37,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:37,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:37,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:37,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 19:24:37,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:24:37,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-09-24 19:24:37,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-24 19:24:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:24:37,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:37,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:37,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:37,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:37,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:37,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:24:37,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:37,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:38,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:38,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 19:24:38,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:38,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:38,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:24:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:38,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:38,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:24:38,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:24:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:38,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:24:38,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398976749] [2020-09-24 19:24:38,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:24:38,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 19:24:38,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229297462] [2020-09-24 19:24:38,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 19:24:38,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:38,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 19:24:38,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 19:24:38,104 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 4 states. [2020-09-24 19:24:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:38,476 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2020-09-24 19:24:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 19:24:38,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-09-24 19:24:38,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:38,494 INFO L225 Difference]: With dead ends: 230 [2020-09-24 19:24:38,494 INFO L226 Difference]: Without dead ends: 128 [2020-09-24 19:24:38,500 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 [2020-09-24 19:24:38,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-24 19:24:38,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 84. [2020-09-24 19:24:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-09-24 19:24:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2020-09-24 19:24:38,564 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 38 [2020-09-24 19:24:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:38,565 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2020-09-24 19:24:38,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 19:24:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2020-09-24 19:24:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 19:24:38,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:38,567 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] [2020-09-24 19:24:38,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:24:38,568 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:38,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:38,568 INFO L82 PathProgramCache]: Analyzing trace with hash -613399993, now seen corresponding path program 1 times [2020-09-24 19:24:38,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:38,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212287727] [2020-09-24 19:24:38,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:38,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:38,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:39,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:39,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 19:24:39,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:24:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-24 19:24:39,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:24:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:24:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:39,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:39,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:39,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:39,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:39,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:24:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:39,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:39,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:39,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:39,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:39,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:39,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:39,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 19:24:39,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:24:39,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:39,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:24:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:39,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:39,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:39,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:39,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:24:39,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:24:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:24:39,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212287727] [2020-09-24 19:24:39,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:24:39,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 19:24:39,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288894238] [2020-09-24 19:24:39,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 19:24:39,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:39,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 19:24:39,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 19:24:39,755 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 6 states. [2020-09-24 19:24:40,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:40,305 INFO L93 Difference]: Finished difference Result 171 states and 187 transitions. [2020-09-24 19:24:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:24:40,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-09-24 19:24:40,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:40,309 INFO L225 Difference]: With dead ends: 171 [2020-09-24 19:24:40,309 INFO L226 Difference]: Without dead ends: 144 [2020-09-24 19:24:40,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-09-24 19:24:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-24 19:24:40,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 85. [2020-09-24 19:24:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-24 19:24:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2020-09-24 19:24:40,331 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 38 [2020-09-24 19:24:40,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:40,331 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2020-09-24 19:24:40,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 19:24:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2020-09-24 19:24:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 19:24:40,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:40,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:40,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:24:40,334 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:40,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:40,335 INFO L82 PathProgramCache]: Analyzing trace with hash -841200203, now seen corresponding path program 1 times [2020-09-24 19:24:40,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:40,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842375064] [2020-09-24 19:24:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:40,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:40,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:40,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:40,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:41,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:41,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-24 19:24:41,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:24:41,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-24 19:24:41,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:24:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:24:41,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:41,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:41,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:41,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:41,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:41,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:41,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:24:41,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:41,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:41,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:41,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:41,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:41,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 19:24:41,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:24:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 19:24:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:24:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:41,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-24 19:24:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:41,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:41,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:41,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:24:41,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:41,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:24:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-24 19:24:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:41,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:41,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:41,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:41,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:24:41,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:41,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:24:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:41,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 19:24:41,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842375064] [2020-09-24 19:24:41,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:24:41,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:24:41,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675946595] [2020-09-24 19:24:41,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:24:41,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:41,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:24:41,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:24:41,555 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 8 states. [2020-09-24 19:24:41,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:41,889 INFO L93 Difference]: Finished difference Result 147 states and 156 transitions. [2020-09-24 19:24:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:24:41,889 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-24 19:24:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:41,891 INFO L225 Difference]: With dead ends: 147 [2020-09-24 19:24:41,891 INFO L226 Difference]: Without dead ends: 93 [2020-09-24 19:24:41,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-24 19:24:41,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-24 19:24:41,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 86. [2020-09-24 19:24:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-24 19:24:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2020-09-24 19:24:41,908 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 51 [2020-09-24 19:24:41,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:41,909 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2020-09-24 19:24:41,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:24:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2020-09-24 19:24:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 19:24:41,915 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:41,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:41,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:24:41,916 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:41,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1957255427, now seen corresponding path program 1 times [2020-09-24 19:24:41,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:41,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320397335] [2020-09-24 19:24:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:42,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:42,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 19:24:42,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:24:42,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-24 19:24:42,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:24:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 19:24:42,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:43,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:43,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:43,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:43,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:43,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:43,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:43,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:43,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:43,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:43,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:43,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:43,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:24:43,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-24 19:24:43,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:43,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:24:43,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:43,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:24:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:43,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:43,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:43,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:24:43,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:43,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:24:43,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:43,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:43,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 19:24:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:43,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:43,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:43,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:43,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:43,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:24:43,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:24:43,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:43,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-24 19:24:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:43,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:24:43,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:43,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 19:24:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:24:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:24:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:24:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 19:24:43,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320397335] [2020-09-24 19:24:43,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:24:43,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 19:24:43,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229021356] [2020-09-24 19:24:43,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:24:43,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:43,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:24:43,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:24:43,545 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand 9 states. [2020-09-24 19:24:43,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:43,941 INFO L93 Difference]: Finished difference Result 139 states and 149 transitions. [2020-09-24 19:24:43,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 19:24:43,942 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-09-24 19:24:43,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:43,943 INFO L225 Difference]: With dead ends: 139 [2020-09-24 19:24:43,944 INFO L226 Difference]: Without dead ends: 113 [2020-09-24 19:24:43,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:24:43,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-09-24 19:24:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 95. [2020-09-24 19:24:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-24 19:24:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 101 transitions. [2020-09-24 19:24:43,956 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 101 transitions. Word has length 69 [2020-09-24 19:24:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:43,956 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 101 transitions. [2020-09-24 19:24:43,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:24:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2020-09-24 19:24:43,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-09-24 19:24:43,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:43,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:43,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:24:43,960 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:43,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:43,960 INFO L82 PathProgramCache]: Analyzing trace with hash 281898851, now seen corresponding path program 1 times [2020-09-24 19:24:43,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:43,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206868157] [2020-09-24 19:24:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:44,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 19:24:45,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:24:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-24 19:24:45,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:24:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 19:24:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:45,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:45,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:24:45,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:45,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:45,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:45,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:24:45,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:45,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-24 19:24:45,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:24:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:45,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:24:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:24:45,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:24:45,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:45,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 19:24:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:45,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:45,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 19:24:45,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:24:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-24 19:24:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:45,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:45,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:24:45,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:24:45,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:24:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 19:24:45,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206868157] [2020-09-24 19:24:45,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:24:45,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 19:24:45,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203086344] [2020-09-24 19:24:45,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:24:45,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:45,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:24:45,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:24:45,513 INFO L87 Difference]: Start difference. First operand 95 states and 101 transitions. Second operand 9 states. [2020-09-24 19:24:45,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:45,913 INFO L93 Difference]: Finished difference Result 146 states and 158 transitions. [2020-09-24 19:24:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 19:24:45,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-09-24 19:24:45,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:45,916 INFO L225 Difference]: With dead ends: 146 [2020-09-24 19:24:45,916 INFO L226 Difference]: Without dead ends: 110 [2020-09-24 19:24:45,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-09-24 19:24:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-09-24 19:24:45,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 101. [2020-09-24 19:24:45,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-24 19:24:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2020-09-24 19:24:45,940 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 76 [2020-09-24 19:24:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:45,941 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2020-09-24 19:24:45,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:24:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-09-24 19:24:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-24 19:24:45,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:45,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:45,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:24:45,948 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:45,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1557630765, now seen corresponding path program 2 times [2020-09-24 19:24:45,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:45,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665640205] [2020-09-24 19:24:45,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:45,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:46,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:46,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-24 19:24:46,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:24:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-24 19:24:46,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:24:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 19:24:46,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:47,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:24:47,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:24:47,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:24:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-24 19:24:47,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:24:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:24:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:24:47,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:47,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:24:47,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 19:24:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:47,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 19:24:47,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:24:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:24:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:24:47,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:24:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:47,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:47,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:47,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:47,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:24:47,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:47,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 19:24:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:47,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:47,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:24:47,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:47,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:24:47,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:24:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 19:24:47,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665640205] [2020-09-24 19:24:47,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:24:47,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 19:24:47,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250313377] [2020-09-24 19:24:47,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:24:47,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:47,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:24:47,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:24:47,391 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand 9 states. [2020-09-24 19:24:47,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:47,813 INFO L93 Difference]: Finished difference Result 178 states and 193 transitions. [2020-09-24 19:24:47,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 19:24:47,814 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-09-24 19:24:47,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:47,815 INFO L225 Difference]: With dead ends: 178 [2020-09-24 19:24:47,815 INFO L226 Difference]: Without dead ends: 119 [2020-09-24 19:24:47,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-09-24 19:24:47,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-09-24 19:24:47,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 105. [2020-09-24 19:24:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 19:24:47,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2020-09-24 19:24:47,837 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 89 [2020-09-24 19:24:47,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:47,838 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2020-09-24 19:24:47,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:24:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2020-09-24 19:24:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-24 19:24:47,840 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:47,840 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:47,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 19:24:47,841 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:47,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:47,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1758688301, now seen corresponding path program 1 times [2020-09-24 19:24:47,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:47,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643091292] [2020-09-24 19:24:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:47,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:48,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:48,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:48,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:48,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:48,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-09-24 19:24:48,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:24:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-24 19:24:48,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:24:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:24:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:24:48,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:48,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:48,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:48,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:48,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:24:48,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:48,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:48,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:49,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:49,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:24:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 19:24:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:24:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 19:24:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 19:24:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:49,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:24:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:49,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:49,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:49,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:24:49,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:49,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 19:24:49,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:24:49,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 19:24:49,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 19:24:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:49,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:49,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:49,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:24:49,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:49,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:24:49,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:49,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:49,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 19:24:49,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:49,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 19:24:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:49,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:49,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:49,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:49,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:49,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:49,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:24:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:49,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:49,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-24 19:24:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:49,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:49,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:24:49,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:24:49,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:24:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-24 19:24:49,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643091292] [2020-09-24 19:24:49,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:24:49,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:24:49,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640012935] [2020-09-24 19:24:49,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:24:49,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:49,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:24:49,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:24:49,320 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 10 states. [2020-09-24 19:24:49,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:49,741 INFO L93 Difference]: Finished difference Result 194 states and 212 transitions. [2020-09-24 19:24:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 19:24:49,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-09-24 19:24:49,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:49,743 INFO L225 Difference]: With dead ends: 194 [2020-09-24 19:24:49,743 INFO L226 Difference]: Without dead ends: 121 [2020-09-24 19:24:49,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-09-24 19:24:49,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-24 19:24:49,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2020-09-24 19:24:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-09-24 19:24:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2020-09-24 19:24:49,761 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 96 [2020-09-24 19:24:49,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:49,761 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2020-09-24 19:24:49,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:24:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2020-09-24 19:24:49,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-24 19:24:49,769 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:49,770 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:49,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 19:24:49,770 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:49,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:49,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1090353339, now seen corresponding path program 2 times [2020-09-24 19:24:49,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:49,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429525644] [2020-09-24 19:24:49,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:49,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:50,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:50,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 19:24:50,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:50,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-09-24 19:24:50,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 19:24:50,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 19:24:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 19:24:50,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:51,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:24:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:51,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:51,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:51,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:24:51,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:51,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 19:24:51,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:24:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:51,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:24:51,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:51,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:24:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:51,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:52,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:52,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:24:52,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:52,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 825 [2020-09-24 19:24:52,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 19:24:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:52,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 19:24:52,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:52,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:24:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:52,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:52,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:52,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:24:52,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:52,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 19:24:52,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:24:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:52,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:24:52,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:52,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:24:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:52,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:52,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:52,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:24:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 19:24:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 19:24:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 19:24:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 19:24:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:52,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:24:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:52,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:53,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:53,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:24:53,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:53,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-24 19:24:53,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 19:24:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 19:24:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 19:24:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:53,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:24:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:53,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:53,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:53,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:24:53,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:53,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 19:24:53,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:24:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 19:24:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 19:24:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:24:53,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 19:24:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:53,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:53,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:24:53,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:24:53,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:24:53,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 19:24:53,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:24:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 19:24:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:24:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 19:24:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:24:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 19:24:54,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429525644] [2020-09-24 19:24:54,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:24:54,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-09-24 19:24:54,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999935670] [2020-09-24 19:24:54,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-09-24 19:24:54,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:24:54,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-09-24 19:24:54,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1549, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 19:24:54,181 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 41 states. [2020-09-24 19:24:59,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:24:59,569 INFO L93 Difference]: Finished difference Result 214 states and 246 transitions. [2020-09-24 19:24:59,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-24 19:24:59,570 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 114 [2020-09-24 19:24:59,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:24:59,574 INFO L225 Difference]: With dead ends: 214 [2020-09-24 19:24:59,574 INFO L226 Difference]: Without dead ends: 211 [2020-09-24 19:24:59,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=424, Invalid=5896, Unknown=0, NotChecked=0, Total=6320 [2020-09-24 19:24:59,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-09-24 19:24:59,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 152. [2020-09-24 19:24:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-09-24 19:24:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 171 transitions. [2020-09-24 19:24:59,594 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 171 transitions. Word has length 114 [2020-09-24 19:24:59,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:24:59,595 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 171 transitions. [2020-09-24 19:24:59,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-09-24 19:24:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 171 transitions. [2020-09-24 19:24:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-24 19:24:59,597 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:24:59,597 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:24:59,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 19:24:59,598 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:24:59,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:24:59,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1584534241, now seen corresponding path program 3 times [2020-09-24 19:24:59,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:24:59,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378082475] [2020-09-24 19:24:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:24:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:24:59,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:59,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:24:59,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:00,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:00,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:00,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-24 19:25:00,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:25:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-24 19:25:00,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:25:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:25:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 19:25:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:00,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:00,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:00,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:00,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:00,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:25:00,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:00,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:00,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:00,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:01,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:01,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:01,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:01,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-09-24 19:25:01,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 19:25:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:01,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:01,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:01,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:25:01,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:01,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:01,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:01,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:01,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:25:01,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:01,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:01,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:01,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:01,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 19:25:01,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:25:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:01,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:25:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:01,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:01,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:01,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:01,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:01,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:25:01,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:01,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:01,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:01,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:25:01,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:01,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 19:25:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:01,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:01,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:01,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-24 19:25:01,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:01,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 19:25:01,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:25:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:25:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 19:25:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-09-24 19:25:01,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378082475] [2020-09-24 19:25:01,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:25:01,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 19:25:01,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166393117] [2020-09-24 19:25:01,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 19:25:01,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:01,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 19:25:01,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:25:01,434 INFO L87 Difference]: Start difference. First operand 152 states and 171 transitions. Second operand 11 states. [2020-09-24 19:25:02,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:02,108 INFO L93 Difference]: Finished difference Result 209 states and 231 transitions. [2020-09-24 19:25:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 19:25:02,109 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-09-24 19:25:02,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:02,112 INFO L225 Difference]: With dead ends: 209 [2020-09-24 19:25:02,112 INFO L226 Difference]: Without dead ends: 165 [2020-09-24 19:25:02,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-09-24 19:25:02,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-24 19:25:02,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2020-09-24 19:25:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-24 19:25:02,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 164 transitions. [2020-09-24 19:25:02,125 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 164 transitions. Word has length 121 [2020-09-24 19:25:02,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:02,125 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 164 transitions. [2020-09-24 19:25:02,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 19:25:02,125 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2020-09-24 19:25:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-24 19:25:02,127 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:25:02,127 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:25:02,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 19:25:02,128 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:25:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:25:02,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1457945893, now seen corresponding path program 4 times [2020-09-24 19:25:02,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:25:02,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556137947] [2020-09-24 19:25:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:25:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:02,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:02,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:02,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-24 19:25:03,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:25:03,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-24 19:25:03,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:25:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-24 19:25:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 19:25:03,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:03,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:03,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:25:03,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:03,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:03,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:03,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 19:25:03,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:03,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:03,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:03,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:03,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:25:03,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:03,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:03,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:03,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:03,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:25:03,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:03,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:03,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:03,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:03,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:25:03,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:03,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:03,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:03,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:25:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:03,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 19:25:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:25:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:25:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 19:25:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:03,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:03,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:03,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:03,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:03,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:25:03,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:25:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-24 19:25:03,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556137947] [2020-09-24 19:25:03,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:25:03,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:25:03,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630479756] [2020-09-24 19:25:03,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:25:03,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:03,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:25:03,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:25:03,515 INFO L87 Difference]: Start difference. First operand 147 states and 164 transitions. Second operand 10 states. [2020-09-24 19:25:03,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:03,979 INFO L93 Difference]: Finished difference Result 194 states and 216 transitions. [2020-09-24 19:25:03,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 19:25:03,982 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-09-24 19:25:03,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:03,984 INFO L225 Difference]: With dead ends: 194 [2020-09-24 19:25:03,984 INFO L226 Difference]: Without dead ends: 151 [2020-09-24 19:25:03,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2020-09-24 19:25:03,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-24 19:25:04,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2020-09-24 19:25:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-24 19:25:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 164 transitions. [2020-09-24 19:25:04,004 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 164 transitions. Word has length 121 [2020-09-24 19:25:04,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:04,005 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 164 transitions. [2020-09-24 19:25:04,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:25:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2020-09-24 19:25:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-24 19:25:04,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:25:04,006 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:25:04,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 19:25:04,007 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:25:04,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:25:04,007 INFO L82 PathProgramCache]: Analyzing trace with hash 844548283, now seen corresponding path program 5 times [2020-09-24 19:25:04,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:25:04,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124385075] [2020-09-24 19:25:04,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:25:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:04,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:04,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:04,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-24 19:25:05,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:25:05,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-24 19:25:05,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:25:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:25:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 19:25:05,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:05,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:05,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:05,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:05,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:25:05,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:05,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:05,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:05,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:05,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:05,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:05,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:05,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-24 19:25:05,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 19:25:05,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:05,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:05,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:05,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:25:05,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:05,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:05,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:05,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:05,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:25:05,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:05,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:05,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 19:25:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 19:25:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:25:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:25:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 19:25:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 19:25:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:05,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:05,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:05,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:25:05,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:05,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:25:05,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:05,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 19:25:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:05,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:05,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:05,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:05,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:25:05,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:25:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:05,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 5 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-24 19:25:05,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124385075] [2020-09-24 19:25:05,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:25:05,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 19:25:05,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003343300] [2020-09-24 19:25:05,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 19:25:05,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:05,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 19:25:05,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:25:05,708 INFO L87 Difference]: Start difference. First operand 147 states and 164 transitions. Second operand 11 states. [2020-09-24 19:25:06,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:06,320 INFO L93 Difference]: Finished difference Result 235 states and 260 transitions. [2020-09-24 19:25:06,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 19:25:06,321 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-09-24 19:25:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:06,322 INFO L225 Difference]: With dead ends: 235 [2020-09-24 19:25:06,322 INFO L226 Difference]: Without dead ends: 155 [2020-09-24 19:25:06,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-09-24 19:25:06,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-24 19:25:06,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2020-09-24 19:25:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-24 19:25:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 163 transitions. [2020-09-24 19:25:06,339 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 163 transitions. Word has length 121 [2020-09-24 19:25:06,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:06,339 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 163 transitions. [2020-09-24 19:25:06,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 19:25:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2020-09-24 19:25:06,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-24 19:25:06,341 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:25:06,341 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, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:25:06,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 19:25:06,342 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:25:06,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:25:06,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1726344460, now seen corresponding path program 1 times [2020-09-24 19:25:06,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:25:06,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460489714] [2020-09-24 19:25:06,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:25:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:06,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:07,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:07,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-24 19:25:07,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:25:07,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-24 19:25:07,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:07,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 19:25:07,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-24 19:25:07,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 19:25:07,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:07,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:07,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:07,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:07,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:25:07,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:07,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:07,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:07,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:07,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:07,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 19:25:07,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:07,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:07,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:07,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:07,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:07,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 19:25:07,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:07,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:07,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:07,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:07,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:07,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:07,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:25:07,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:07,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:07,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:07,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:07,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:07,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:07,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 19:25:07,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:25:07,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:07,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:25:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:07,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:07,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:07,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:07,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:07,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 19:25:07,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:25:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:25:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:08,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 19:25:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:08,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:08,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:08,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:08,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:08,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 19:25:08,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:08,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:08,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:25:08,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:08,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 19:25:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:08,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:08,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:25:08,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 19:25:08,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:25:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 19:25:08,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 19:25:08,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460489714] [2020-09-24 19:25:08,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:25:08,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 19:25:08,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980187614] [2020-09-24 19:25:08,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 19:25:08,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:08,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 19:25:08,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2020-09-24 19:25:08,199 INFO L87 Difference]: Start difference. First operand 147 states and 163 transitions. Second operand 21 states. [2020-09-24 19:25:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:10,129 INFO L93 Difference]: Finished difference Result 214 states and 244 transitions. [2020-09-24 19:25:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 19:25:10,132 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 131 [2020-09-24 19:25:10,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:10,134 INFO L225 Difference]: With dead ends: 214 [2020-09-24 19:25:10,134 INFO L226 Difference]: Without dead ends: 211 [2020-09-24 19:25:10,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=1599, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 19:25:10,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-09-24 19:25:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 171. [2020-09-24 19:25:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-09-24 19:25:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 195 transitions. [2020-09-24 19:25:10,159 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 195 transitions. Word has length 131 [2020-09-24 19:25:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:10,159 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 195 transitions. [2020-09-24 19:25:10,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 19:25:10,160 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 195 transitions. [2020-09-24 19:25:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-24 19:25:10,162 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:25:10,162 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:25:10,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 19:25:10,163 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:25:10,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:25:10,163 INFO L82 PathProgramCache]: Analyzing trace with hash -168239435, now seen corresponding path program 6 times [2020-09-24 19:25:10,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:25:10,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16475640] [2020-09-24 19:25:10,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:25:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:10,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:10,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:10,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 19:25:11,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:25:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-24 19:25:11,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:25:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:25:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 19:25:11,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:11,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:25:11,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:11,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:11,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-09-24 19:25:11,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:11,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 19:25:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:11,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:11,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:25:11,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:11,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:11,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:11,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:11,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:25:11,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:11,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:11,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 19:25:11,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:11,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:11,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:25:11,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:25:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:11,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:11,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 19:25:11,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:25:11,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:25:11,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 19:25:11,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 19:25:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:11,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:11,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:25:11,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:25:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:11,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-24 19:25:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:11,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:11,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:25:11,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:25:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-24 19:25:11,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16475640] [2020-09-24 19:25:11,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:25:11,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 19:25:11,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119304500] [2020-09-24 19:25:11,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 19:25:11,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:11,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 19:25:11,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:25:11,941 INFO L87 Difference]: Start difference. First operand 171 states and 195 transitions. Second operand 11 states. [2020-09-24 19:25:12,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:12,554 INFO L93 Difference]: Finished difference Result 247 states and 274 transitions. [2020-09-24 19:25:12,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 19:25:12,555 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2020-09-24 19:25:12,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:12,557 INFO L225 Difference]: With dead ends: 247 [2020-09-24 19:25:12,557 INFO L226 Difference]: Without dead ends: 152 [2020-09-24 19:25:12,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2020-09-24 19:25:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-09-24 19:25:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2020-09-24 19:25:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-24 19:25:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 161 transitions. [2020-09-24 19:25:12,577 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 161 transitions. Word has length 134 [2020-09-24 19:25:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:12,579 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 161 transitions. [2020-09-24 19:25:12,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 19:25:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2020-09-24 19:25:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-24 19:25:12,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:25:12,584 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, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:25:12,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 19:25:12,585 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:25:12,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:25:12,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1832528814, now seen corresponding path program 2 times [2020-09-24 19:25:12,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:25:12,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326086335] [2020-09-24 19:25:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:25:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:12,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:12,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:12,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:13,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:13,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:13,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:13,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-24 19:25:13,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:25:13,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-09-24 19:25:13,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:25:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:25:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 19:25:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:13,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:13,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:13,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:25:13,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:13,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:13,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:13,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:14,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:14,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-09-24 19:25:14,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:14,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:14,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 19:25:14,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:14,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:14,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:14,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:14,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:14,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:25:14,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:14,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:14,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:14,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:14,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:25:14,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:14,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:14,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:14,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:14,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:14,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 19:25:14,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:14,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:14,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:25:14,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:14,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:25:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:14,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:14,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:14,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 19:25:14,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:14,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:14,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:25:14,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:14,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 19:25:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:14,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:14,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 19:25:14,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:25:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:14,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 19:25:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:14,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:14,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:14,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:14,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:14,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 19:25:14,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:25:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:25:14,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:25:14,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-24 19:25:14,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326086335] [2020-09-24 19:25:14,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:25:14,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 19:25:14,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518578101] [2020-09-24 19:25:14,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 19:25:14,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:14,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 19:25:14,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:25:14,458 INFO L87 Difference]: Start difference. First operand 147 states and 161 transitions. Second operand 11 states. [2020-09-24 19:25:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:15,045 INFO L93 Difference]: Finished difference Result 196 states and 213 transitions. [2020-09-24 19:25:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 19:25:15,045 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2020-09-24 19:25:15,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:15,047 INFO L225 Difference]: With dead ends: 196 [2020-09-24 19:25:15,047 INFO L226 Difference]: Without dead ends: 140 [2020-09-24 19:25:15,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2020-09-24 19:25:15,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-09-24 19:25:15,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 135. [2020-09-24 19:25:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-24 19:25:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 144 transitions. [2020-09-24 19:25:15,070 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 144 transitions. Word has length 138 [2020-09-24 19:25:15,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:15,071 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 144 transitions. [2020-09-24 19:25:15,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 19:25:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2020-09-24 19:25:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-24 19:25:15,073 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:25:15,073 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:25:15,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 19:25:15,073 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:25:15,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:25:15,074 INFO L82 PathProgramCache]: Analyzing trace with hash -465799058, now seen corresponding path program 3 times [2020-09-24 19:25:15,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:25:15,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633242414] [2020-09-24 19:25:15,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:25:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:15,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:15,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-24 19:25:16,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:25:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-24 19:25:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:25:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-24 19:25:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 19:25:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:16,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:25:16,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:16,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:16,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 19:25:16,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:16,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:16,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:16,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:25:16,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:16,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:16,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:25:16,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:16,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:16,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:16,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:25:16,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:25:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:16,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 19:25:16,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:25:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:25:16,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:16,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 19:25:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:16,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:25:16,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:25:16,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:25:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:16,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:25:16,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 19:25:16,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:16,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 19:25:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:16,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:16,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:25:16,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:16,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:25:16,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:16,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:16,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:25:16,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:16,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-09-24 19:25:16,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633242414] [2020-09-24 19:25:16,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:25:16,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:25:16,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770686921] [2020-09-24 19:25:16,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:25:16,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:16,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:25:16,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:25:16,469 INFO L87 Difference]: Start difference. First operand 135 states and 144 transitions. Second operand 10 states. [2020-09-24 19:25:16,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:16,848 INFO L93 Difference]: Finished difference Result 186 states and 194 transitions. [2020-09-24 19:25:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 19:25:16,848 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2020-09-24 19:25:16,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:16,850 INFO L225 Difference]: With dead ends: 186 [2020-09-24 19:25:16,850 INFO L226 Difference]: Without dead ends: 125 [2020-09-24 19:25:16,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-09-24 19:25:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-24 19:25:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-09-24 19:25:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-24 19:25:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 130 transitions. [2020-09-24 19:25:16,859 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 130 transitions. Word has length 144 [2020-09-24 19:25:16,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:16,859 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 130 transitions. [2020-09-24 19:25:16,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:25:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2020-09-24 19:25:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 19:25:16,861 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:25:16,862 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:25:16,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 19:25:16,862 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:25:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:25:16,862 INFO L82 PathProgramCache]: Analyzing trace with hash -446465243, now seen corresponding path program 4 times [2020-09-24 19:25:16,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:25:16,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967013514] [2020-09-24 19:25:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:25:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:16,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:17,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:17,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:17,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-24 19:25:17,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:25:17,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-24 19:25:17,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:17,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:25:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 19:25:17,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 19:25:17,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:25:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:25:18,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:18,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:25:18,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 19:25:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:25:18,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-24 19:25:18,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 19:25:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:25:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:18,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:18,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:25:18,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:25:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 19:25:18,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:18,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:25:18,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:18,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:18,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 19:25:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:25:18,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:18,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 19:25:18,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:25:18,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 19:25:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:25:18,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:18,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:25:18,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:25:18,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-24 19:25:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 19:25:18,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:18,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 19:25:18,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 19:25:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:25:18,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 19:25:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:25:18,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:25:18,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 19:25:18,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:25:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:25:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:25:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 19:25:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:25:18,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:25:18,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:25:18,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:25:18,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:25:18,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:25:18,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:25:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:25:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:25:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:25:18,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:25:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-24 19:25:18,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967013514] [2020-09-24 19:25:18,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:25:18,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 19:25:18,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736499852] [2020-09-24 19:25:18,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 19:25:18,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:25:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 19:25:18,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:25:18,581 INFO L87 Difference]: Start difference. First operand 125 states and 130 transitions. Second operand 11 states. [2020-09-24 19:25:19,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:25:19,085 INFO L93 Difference]: Finished difference Result 150 states and 154 transitions. [2020-09-24 19:25:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 19:25:19,086 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2020-09-24 19:25:19,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:25:19,086 INFO L225 Difference]: With dead ends: 150 [2020-09-24 19:25:19,086 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:25:19,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-09-24 19:25:19,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:25:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:25:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:25:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:25:19,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-09-24 19:25:19,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:25:19,088 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:25:19,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 19:25:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:25:19,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:25:19,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 19:25:19,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:25:19,757 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-09-24 19:25:20,002 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-09-24 19:25:20,139 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-09-24 19:25:20,266 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2020-09-24 19:25:20,540 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-09-24 19:25:20,546 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 19:25:20,546 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 19:25:20,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:25:20,547 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|)) [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:25:20,547 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-09-24 19:25:20,547 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point L584-1(line 584) no Hoare annotation was computed. [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-09-24 19:25:20,547 INFO L268 CegarLoopResult]: For program point L583-2(line 583) no Hoare annotation was computed. [2020-09-24 19:25:20,548 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-09-24 19:25:20,548 INFO L264 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-24 19:25:20,548 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-09-24 19:25:20,548 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-09-24 19:25:20,548 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L268 CegarLoopResult]: For program point L598-2(line 598) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L268 CegarLoopResult]: For program point L595(lines 595 601) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L268 CegarLoopResult]: For program point L597-2(line 597) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 601) no Hoare annotation was computed. [2020-09-24 19:25:20,549 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse3 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse5 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)) (.cse6 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse0 .cse1 (let ((.cse2 (+ |sll_update_at_#in~head.offset| 4))) (let ((.cse4 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse2))) (or (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse2) sll_update_at_~head.offset) .cse3 (= .cse4 sll_update_at_~head.base)) (= .cse4 |sll_update_at_#in~head.base|)))) (<= 1 |sll_update_at_#in~index|) .cse5 .cse6) (and .cse0 (= |sll_update_at_#in~head.base| sll_update_at_~head.base) .cse1 (<= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse3 (<= sll_update_at_~head.offset |sll_update_at_#in~head.offset|) .cse6) (and .cse0 .cse1 .cse5 .cse6 (<= 2 |sll_update_at_#in~index|)))) [2020-09-24 19:25:20,550 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-09-24 19:25:20,550 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-09-24 19:25:20,550 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-24 19:25:20,550 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-09-24 19:25:20,550 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-09-24 19:25:20,550 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-09-24 19:25:20,550 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-09-24 19:25:20,550 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-24 19:25:20,551 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-09-24 19:25:20,551 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= (select |#valid| sll_create_~head~0.base) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-09-24 19:25:20,551 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-09-24 19:25:20,551 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-09-24 19:25:20,551 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-09-24 19:25:20,551 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-09-24 19:25:20,551 INFO L268 CegarLoopResult]: For program point L575-2(line 575) no Hoare annotation was computed. [2020-09-24 19:25:20,552 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-09-24 19:25:20,552 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-09-24 19:25:20,552 INFO L268 CegarLoopResult]: For program point L574-3(line 574) no Hoare annotation was computed. [2020-09-24 19:25:20,552 INFO L268 CegarLoopResult]: For program point L574-4(line 574) no Hoare annotation was computed. [2020-09-24 19:25:20,552 INFO L264 CegarLoopResult]: At program point L574-5(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base))) (.cse1 (= (select |#valid| sll_create_~head~0.base) 1))) (or (and .cse0 .cse1 (<= |sll_create_#in~len| (+ sll_create_~len 1))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and .cse0 (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0) .cse1 (<= 0 sll_create_~head~0.offset) (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)))) (<= sll_create_~head~0.offset 0)))) [2020-09-24 19:25:20,552 INFO L268 CegarLoopResult]: For program point L574-6(lines 574 578) no Hoare annotation was computed. [2020-09-24 19:25:20,552 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:25:20,553 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-09-24 19:25:20,553 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-09-24 19:25:20,553 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-09-24 19:25:20,553 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-24 19:25:20,553 INFO L268 CegarLoopResult]: For program point L71-1(line 71) no Hoare annotation was computed. [2020-09-24 19:25:20,553 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-09-24 19:25:20,553 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 19:25:20,553 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 19:25:20,553 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 19:25:20,554 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-24 19:25:20,554 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-24 19:25:20,555 INFO L268 CegarLoopResult]: For program point L591-2(line 591) no Hoare annotation was computed. [2020-09-24 19:25:20,555 INFO L268 CegarLoopResult]: For program point L588(lines 588 594) no Hoare annotation was computed. [2020-09-24 19:25:20,555 INFO L268 CegarLoopResult]: For program point L590-2(line 590) no Hoare annotation was computed. [2020-09-24 19:25:20,555 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (or (and (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)) (let ((.cse0 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse0) sll_get_data_at_~head.offset) (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|) (<= 1 |sll_get_data_at_#in~index|) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse0)))) (<= 2 |sll_get_data_at_#in~index|)) [2020-09-24 19:25:20,555 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-09-24 19:25:20,555 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-09-24 19:25:20,556 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6))) (let ((.cse0 (not (= .cse5 main_~s~0.base))) (.cse2 (* 2 main_~len~0)) (.cse4 (= main_~s~0.offset 0))) (or (let ((.cse3 (+ (select (select |#memory_int| .cse5) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse6)) 1)) (.cse1 (+ main_~new_data~0 2))) (and (<= main_~len~0 2) .cse0 (<= (+ main_~i~0 2) main_~len~0) (<= .cse1 .cse2) (<= 0 main_~i~0) (<= .cse3 .cse2) (<= .cse2 .cse3) (<= .cse2 .cse1) .cse4)) (let ((.cse7 (+ main_~new_data~0 1))) (and .cse0 (<= 2 main_~len~0) (<= .cse7 .cse2) (<= main_~len~0 (+ main_~i~0 1)) (<= .cse2 .cse7) .cse4 (<= main_~i~0 1))))))) [2020-09-24 19:25:20,556 INFO L268 CegarLoopResult]: For program point L613-4(line 613) no Hoare annotation was computed. [2020-09-24 19:25:20,556 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-09-24 19:25:20,556 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (= |#memory_$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$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:25:20,556 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-09-24 19:25:20,556 INFO L268 CegarLoopResult]: For program point L605-2(line 605) no Hoare annotation was computed. [2020-09-24 19:25:20,556 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-09-24 19:25:20,557 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-09-24 19:25:20,557 INFO L268 CegarLoopResult]: For program point L606(line 606) no Hoare annotation was computed. [2020-09-24 19:25:20,557 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-09-24 19:25:20,557 INFO L268 CegarLoopResult]: For program point L611-3(line 611) no Hoare annotation was computed. [2020-09-24 19:25:20,557 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-09-24 19:25:20,557 INFO L268 CegarLoopResult]: For program point L611-4(line 611) no Hoare annotation was computed. [2020-09-24 19:25:20,557 INFO L264 CegarLoopResult]: At program point L611-5(lines 611 616) the Hoare annotation is: (let ((.cse11 (+ main_~new_data~0 2)) (.cse9 (* 2 main_~len~0))) (let ((.cse2 (<= .cse11 .cse9)) (.cse4 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse3 (+ main_~i~0 main_~len~0)) (.cse5 (<= .cse9 .cse11)) (.cse0 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse7 (+ main_~i~0 1))) (or (and .cse0 .cse1 (<= (+ main_~i~0 2) main_~len~0) .cse2 (= .cse3 .cse4) .cse5) (let ((.cse10 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse10))) (let ((.cse8 (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse10)))) (and (not (= .cse6 main_~s~0.base)) .cse0 (<= main_~len~0 .cse7) .cse2 (= (* main_~len~0 2) (+ .cse4 2)) (<= (+ .cse8 1) .cse9) (<= .cse3 .cse8) .cse5 (= main_~s~0.offset 0) (<= main_~i~0 1))))) (and .cse0 .cse1 (<= .cse7 0))))) [2020-09-24 19:25:20,558 INFO L271 CegarLoopResult]: At program point L611-6(lines 611 616) the Hoare annotation is: true [2020-09-24 19:25:20,558 INFO L268 CegarLoopResult]: For program point L607-3(line 607) no Hoare annotation was computed. [2020-09-24 19:25:20,558 INFO L268 CegarLoopResult]: For program point L607-4(line 607) no Hoare annotation was computed. [2020-09-24 19:25:20,558 INFO L264 CegarLoopResult]: At program point L607-5(lines 607 610) the Hoare annotation is: (let ((.cse12 (+ main_~s~0.offset 4))) (let ((.cse11 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse12))) (let ((.cse10 (+ (select (select |#memory_int| .cse11) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse12)) 1)) (.cse3 (* 2 main_~len~0))) (let ((.cse1 (not (= .cse11 main_~s~0.base))) (.cse0 (<= main_~len~0 2)) (.cse7 (<= 2 main_~len~0)) (.cse8 (+ main_~i~0 1)) (.cse4 (<= .cse10 .cse3)) (.cse5 (<= .cse3 .cse10)) (.cse6 (= main_~s~0.offset 0))) (or (let ((.cse2 (+ main_~new_data~0 1))) (and .cse0 .cse1 (<= (+ main_~i~0 2) main_~len~0) (<= .cse2 .cse3) (<= 0 main_~i~0) .cse4 .cse5 (<= .cse3 .cse2) .cse6)) (and .cse1 .cse7 (<= main_~len~0 .cse8) .cse6 (<= main_~i~0 1)) (let ((.cse9 (+ main_~new_data~0 2))) (and .cse1 .cse0 .cse7 (<= .cse9 .cse3) (<= .cse8 0) (= (* main_~len~0 2) (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2)) .cse4 .cse5 (<= .cse3 .cse9) .cse6))))))) [2020-09-24 19:25:20,558 INFO L268 CegarLoopResult]: For program point L607-6(lines 607 610) no Hoare annotation was computed. [2020-09-24 19:25:20,559 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-09-24 19:25:20,559 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-09-24 19:25:20,559 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-09-24 19:25:20,559 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-09-24 19:25:20,559 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-09-24 19:25:20,559 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:25:20,559 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-09-24 19:25:20,560 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-09-24 19:25:20,560 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse8 (+ main_~new_data~0 2)) (.cse6 (* 2 main_~len~0))) (let ((.cse1 (<= .cse8 .cse6)) (.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse2 (+ main_~i~0 main_~len~0)) (.cse3 (<= .cse6 .cse8))) (or (and (<= main_~len~0 2) (= .cse0 main_~expected~0) (<= (+ main_~i~0 2) main_~len~0) .cse1 (<= 0 main_~i~0) (= .cse2 .cse0) .cse3) (let ((.cse7 (+ main_~s~0.offset 4))) (let ((.cse4 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7))) (let ((.cse5 (select (select |#memory_int| .cse4) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7)))) (and (not (= .cse4 main_~s~0.base)) (<= 2 main_~len~0) (<= main_~len~0 (+ main_~i~0 1)) .cse1 (<= .cse5 main_~expected~0) (= (* main_~len~0 2) (+ .cse0 2)) (<= (+ .cse5 1) .cse6) (<= .cse2 .cse5) .cse3 (<= main_~expected~0 .cse5) (= main_~s~0.offset 0) (<= main_~i~0 1)))))))) [2020-09-24 19:25:20,560 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-09-24 19:25:20,560 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-09-24 19:25:20,560 INFO L268 CegarLoopResult]: For program point L613-3(line 613) no Hoare annotation was computed. [2020-09-24 19:25:20,560 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 19:25:20,560 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-24 19:25:20,561 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-24 19:25:20,561 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-09-24 19:25:20,561 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-09-24 19:25:20,561 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-09-24 19:25:20,561 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-09-24 19:25:20,561 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-09-24 19:25:20,561 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-09-24 19:25:20,561 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-09-24 19:25:20,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,602 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:25:20 BoogieIcfgContainer [2020-09-24 19:25:20,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 19:25:20,637 INFO L168 Benchmark]: Toolchain (without parser) took 45201.55 ms. Allocated memory was 146.8 MB in the beginning and 547.9 MB in the end (delta: 401.1 MB). Free memory was 100.8 MB in the beginning and 230.0 MB in the end (delta: -129.2 MB). Peak memory consumption was 271.9 MB. Max. memory is 7.1 GB. [2020-09-24 19:25:20,637 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 19:25:20,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.29 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 169.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-09-24 19:25:20,639 INFO L168 Benchmark]: Boogie Preprocessor took 73.48 ms. Allocated memory is still 204.5 MB. Free memory was 169.9 MB in the beginning and 167.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-24 19:25:20,639 INFO L168 Benchmark]: RCFGBuilder took 678.13 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 115.3 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2020-09-24 19:25:20,640 INFO L168 Benchmark]: TraceAbstraction took 43773.03 ms. Allocated memory was 204.5 MB in the beginning and 547.9 MB in the end (delta: 343.4 MB). Free memory was 115.3 MB in the beginning and 230.0 MB in the end (delta: -114.7 MB). Peak memory consumption was 228.7 MB. Max. memory is 7.1 GB. [2020-09-24 19:25:20,643 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.29 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 169.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.48 ms. Allocated memory is still 204.5 MB. Free memory was 169.9 MB in the beginning and 167.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 678.13 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 115.3 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43773.03 ms. Allocated memory was 204.5 MB in the beginning and 547.9 MB in the end (delta: 343.4 MB). Free memory was 115.3 MB in the beginning and 230.0 MB in the end (delta: -114.7 MB). Peak memory consumption was 228.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 #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 #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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: 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: 589]: Loop Invariant [2020-09-24 19:25:20,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((\old(index) == index && head == head) && head == head) || (((#memory_$Pointer$[head][head + 4] == head && index + 1 <= \old(index)) && 1 <= \old(index)) && head == #memory_$Pointer$[head][head + 4])) || 2 <= \old(index) - InvariantResult [Line: 607]: Loop Invariant [2020-09-24 19:25:20,679 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,679 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,679 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,680 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,684 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((len <= 2 && !(#memory_$Pointer$[s][s + 4] == s)) && i + 2 <= len) && new_data + 1 <= 2 * len) && 0 <= i) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1 <= 2 * len) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 * len <= new_data + 1) && s == 0) || ((((!(#memory_$Pointer$[s][s + 4] == s) && 2 <= len) && len <= i + 1) && s == 0) && i <= 1)) || (((((((((!(#memory_$Pointer$[s][s + 4] == s) && len <= 2) && 2 <= len) && new_data + 2 <= 2 * len) && i + 1 <= 0) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1 <= 2 * len) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 * len <= new_data + 2) && s == 0) - InvariantResult [Line: 596]: Loop Invariant [2020-09-24 19:25:20,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,722 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)) && (((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) && #memory_$Pointer$[head][head + 4] == head) || #memory_$Pointer$[head][head + 4] == head)) && 1 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head <= head) && \old(index) == index) && data == \old(data)) && head <= head) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) - InvariantResult [Line: 574]: Loop Invariant [2020-09-24 19:25:20,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-09-24 19:25:20,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((1 == \valid[new_head] && \valid[head] == 1) && \old(len) <= len + 1) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || ((((((1 == \valid[new_head] && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && new_head == 0) && \valid[head] == 1) && 0 <= head) && !(head == #memory_$Pointer$[head][head + 4])) && head <= 0) - InvariantResult [Line: 611]: Loop Invariant [2020-09-24 19:25:20,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,736 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-24 19:25:20,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-24 19:25:20,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-24 19:25:20,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-24 19:25:20,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((2 <= len && len <= 2) && i + 2 <= len) && new_data + 2 <= 2 * len) && i + len == unknown-#memory_int-unknown[s][s]) && 2 * len <= new_data + 2) || (((((((((!(#memory_$Pointer$[s][s + 4] == s) && 2 <= len) && len <= i + 1) && new_data + 2 <= 2 * len) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1 <= 2 * len) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && 2 * len <= new_data + 2) && s == 0) && i <= 1)) || ((2 <= len && len <= 2) && i + 1 <= 0) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.1s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1259 SDtfs, 2509 SDslu, 4648 SDs, 0 SdLazy, 8926 SolverSat, 562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 524 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1571 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 297 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 94 PreInvPairs, 133 NumberOfFragments, 993 HoareAnnotationTreeSize, 94 FomulaSimplifications, 2138 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 24 FomulaSimplificationsInter, 475 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 1629 NumberOfCodeBlocks, 1629 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1613 ConstructedInterpolants, 0 QuantifiedInterpolants, 625630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 487/572 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...