/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:42:47,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:42:47,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:42:48,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:42:48,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:42:48,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:42:48,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:42:48,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:42:48,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:42:48,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:42:48,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:42:48,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:42:48,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:42:48,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:42:48,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:42:48,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:42:48,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:42:48,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:42:48,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:42:48,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:42:48,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:42:48,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:42:48,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:42:48,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:42:48,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:42:48,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:42:48,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:42:48,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:42:48,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:42:48,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:42:48,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:42:48,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:42:48,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:42:48,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:42:48,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:42:48,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:42:48,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:42:48,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:42:48,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:42:48,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:42:48,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:42:48,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 23:42:48,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:42:48,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:42:48,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:42:48,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:42:48,119 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:42:48,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:42:48,119 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:42:48,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:42:48,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:42:48,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:42:48,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:42:48,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:42:48,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:42:48,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:42:48,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:42:48,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:42:48,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:42:48,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:42:48,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:42:48,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:42:48,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:42:48,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:42:48,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:42:48,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:42:48,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:42:48,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:42:48,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:42:48,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:42:48,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:42:48,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:42:48,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:42:48,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:42:48,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:42:48,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:42:48,437 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:42:48,438 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-14 23:42:48,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99db7ae7b/389500849758422faa7b81de11aca638/FLAG09e2dd4f7 [2020-10-14 23:42:49,096 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:42:49,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-14 23:42:49,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99db7ae7b/389500849758422faa7b81de11aca638/FLAG09e2dd4f7 [2020-10-14 23:42:49,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99db7ae7b/389500849758422faa7b81de11aca638 [2020-10-14 23:42:49,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:42:49,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:42:49,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:42:49,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:42:49,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:42:49,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:42:49" (1/1) ... [2020-10-14 23:42:49,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c8794a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:49, skipping insertion in model container [2020-10-14 23:42:49,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:42:49" (1/1) ... [2020-10-14 23:42:49,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:42:49,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:42:49,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:42:49,887 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:42:49,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:42:50,024 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:42:50,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50 WrapperNode [2020-10-14 23:42:50,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:42:50,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:42:50,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:42:50,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:42:50,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... [2020-10-14 23:42:50,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... [2020-10-14 23:42:50,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... [2020-10-14 23:42:50,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... [2020-10-14 23:42:50,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... [2020-10-14 23:42:50,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... [2020-10-14 23:42:50,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... [2020-10-14 23:42:50,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:42:50,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:42:50,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:42:50,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:42:50,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:42:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:42:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:42:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 23:42:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 23:42:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-14 23:42:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-14 23:42:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-10-14 23:42:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-10-14 23:42:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-10-14 23:42:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-10-14 23:42:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:42:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:42:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 23:42:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 23:42:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 23:42:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 23:42:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 23:42:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 23:42:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 23:42:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 23:42:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 23:42:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 23:42:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 23:42:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 23:42:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 23:42:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 23:42:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 23:42:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 23:42:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 23:42:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 23:42:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 23:42:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 23:42:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 23:42:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 23:42:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 23:42:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 23:42:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 23:42:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 23:42:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 23:42:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 23:42:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 23:42:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 23:42:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 23:42:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 23:42:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 23:42:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 23:42:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 23:42:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 23:42:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 23:42:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 23:42:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 23:42:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 23:42:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 23:42:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 23:42:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 23:42:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 23:42:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 23:42:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 23:42:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 23:42:50,166 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 23:42:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 23:42:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 23:42:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 23:42:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 23:42:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 23:42:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 23:42:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 23:42:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 23:42:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 23:42:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 23:42:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 23:42:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 23:42:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 23:42:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 23:42:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 23:42:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 23:42:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 23:42:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 23:42:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 23:42:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 23:42:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 23:42:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 23:42:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 23:42:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 23:42:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 23:42:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 23:42:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 23:42:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 23:42:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 23:42:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 23:42:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 23:42:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 23:42:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 23:42:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 23:42:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 23:42:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 23:42:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 23:42:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 23:42:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 23:42:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 23:42:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 23:42:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 23:42:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 23:42:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 23:42:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 23:42:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 23:42:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 23:42:50,177 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 23:42:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 23:42:50,178 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 23:42:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-14 23:42:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-14 23:42:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 23:42:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 23:42:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:42:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-10-14 23:42:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-10-14 23:42:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 23:42:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:42:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-10-14 23:42:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:42:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-10-14 23:42:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:42:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:42:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:42:50,545 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-14 23:42:50,669 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:42:50,669 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 23:42:50,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:42:50 BoogieIcfgContainer [2020-10-14 23:42:50,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:42:50,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:42:50,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:42:50,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:42:50,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:42:49" (1/3) ... [2020-10-14 23:42:50,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f68856d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:42:50, skipping insertion in model container [2020-10-14 23:42:50,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:50" (2/3) ... [2020-10-14 23:42:50,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f68856d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:42:50, skipping insertion in model container [2020-10-14 23:42:50,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:42:50" (3/3) ... [2020-10-14 23:42:50,683 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-10-14 23:42:50,693 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:42:50,699 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:42:50,710 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:42:50,733 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:42:50,733 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:42:50,733 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:42:50,733 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:42:50,733 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:42:50,734 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:42:50,734 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:42:50,734 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:42:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-10-14 23:42:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 23:42:50,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:50,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:42:50,760 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:50,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:50,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-10-14 23:42:50,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:50,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112526383] [2020-10-14 23:42:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:50,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:50,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:51,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:51,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:51,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 23:42:51,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:42:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-14 23:42:51,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:51,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:51,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:42:51,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:42:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 23:42:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 23:42:51,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:42:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:51,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:51,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:51,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:42:51,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:51,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:42:51,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:51,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:51,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:51,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:51,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:51,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:51,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:42:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:51,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:51,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:51,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:51,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:51,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:42:51,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:42:51,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:51,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:51,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:51,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:51,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 23:42:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:51,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:51,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:51,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:51,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 23:42:51,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:51,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:42:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:42:51,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:51,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:42:51,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112526383] [2020-10-14 23:42:51,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:42:51,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 23:42:51,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351760362] [2020-10-14 23:42:51,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:42:51,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:42:51,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:42:51,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:42:51,544 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 8 states. [2020-10-14 23:42:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:42:52,153 INFO L93 Difference]: Finished difference Result 138 states and 204 transitions. [2020-10-14 23:42:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 23:42:52,155 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-14 23:42:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:42:52,166 INFO L225 Difference]: With dead ends: 138 [2020-10-14 23:42:52,167 INFO L226 Difference]: Without dead ends: 83 [2020-10-14 23:42:52,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:42:52,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-14 23:42:52,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 49. [2020-10-14 23:42:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-14 23:42:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-14 23:42:52,241 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 25 [2020-10-14 23:42:52,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:42:52,242 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-14 23:42:52,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:42:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-14 23:42:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-14 23:42:52,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:52,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:42:52,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:42:52,245 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:52,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:52,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1172680475, now seen corresponding path program 1 times [2020-10-14 23:42:52,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:52,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455276733] [2020-10-14 23:42:52,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:52,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:52,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:52,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:52,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:52,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:52,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 23:42:55,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 23:42:55,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2971 [2020-10-14 23:42:55,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:42:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:42:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 23:42:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:55,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:42:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:42:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:42:55,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:55,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:42:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:55,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:42:55,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 23:42:55,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:55,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:55,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 23:42:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:42:55,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 23:42:55,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 23:42:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:42:55,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:55,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:42:55,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:55,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:42:55,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:55,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 23:42:55,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455276733] [2020-10-14 23:42:55,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:42:55,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 23:42:55,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671315619] [2020-10-14 23:42:55,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:42:55,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:42:55,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:42:55,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:42:55,423 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2020-10-14 23:42:55,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:42:55,949 INFO L93 Difference]: Finished difference Result 106 states and 126 transitions. [2020-10-14 23:42:55,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:42:55,949 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-10-14 23:42:55,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:42:55,953 INFO L225 Difference]: With dead ends: 106 [2020-10-14 23:42:55,953 INFO L226 Difference]: Without dead ends: 87 [2020-10-14 23:42:55,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:42:55,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-14 23:42:55,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 52. [2020-10-14 23:42:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-14 23:42:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2020-10-14 23:42:55,971 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 34 [2020-10-14 23:42:55,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:42:55,971 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2020-10-14 23:42:55,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:42:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2020-10-14 23:42:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 23:42:55,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:55,973 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:42:55,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:42:55,973 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:55,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1038847013, now seen corresponding path program 2 times [2020-10-14 23:42:55,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:55,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655177604] [2020-10-14 23:42:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 23:42:58,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 23:42:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2576 [2020-10-14 23:42:58,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:42:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:42:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 23:42:58,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:58,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:42:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:42:58,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:42:58,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:58,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:58,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:42:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:58,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:42:58,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:42:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:58,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:42:58,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:58,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 23:42:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:58,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:42:58,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:58,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 23:42:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:58,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:42:58,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:58,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:42:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:42:58,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:42:58,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:42:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 23:42:58,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655177604] [2020-10-14 23:42:58,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:42:58,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 23:42:58,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955804099] [2020-10-14 23:42:58,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:42:58,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:42:58,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:42:58,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:42:58,710 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand 9 states. [2020-10-14 23:42:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:42:58,990 INFO L93 Difference]: Finished difference Result 91 states and 106 transitions. [2020-10-14 23:42:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:42:58,991 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-10-14 23:42:58,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:42:58,992 INFO L225 Difference]: With dead ends: 91 [2020-10-14 23:42:58,993 INFO L226 Difference]: Without dead ends: 56 [2020-10-14 23:42:58,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 23:42:58,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-14 23:42:59,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2020-10-14 23:42:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-14 23:42:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-10-14 23:42:59,005 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 42 [2020-10-14 23:42:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:42:59,005 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-10-14 23:42:59,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:42:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-10-14 23:42:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 23:42:59,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:59,007 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:42:59,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 23:42:59,008 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:59,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:59,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1551949392, now seen corresponding path program 1 times [2020-10-14 23:42:59,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:59,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895530063] [2020-10-14 23:42:59,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:00,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 23:43:02,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:43:02,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3136 [2020-10-14 23:43:02,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:43:02,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:43:02,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 23:43:02,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:02,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:02,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:43:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 23:43:02,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 23:43:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:02,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:43:02,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:02,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:43:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:02,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:43:02,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:02,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:02,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:43:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:02,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:43:02,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:02,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:43:02,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 23:43:02,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895530063] [2020-10-14 23:43:02,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:02,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 23:43:02,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811991309] [2020-10-14 23:43:02,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 23:43:02,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:02,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 23:43:02,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-14 23:43:02,497 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 12 states. [2020-10-14 23:43:02,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:02,920 INFO L93 Difference]: Finished difference Result 90 states and 106 transitions. [2020-10-14 23:43:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 23:43:02,921 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2020-10-14 23:43:02,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:02,922 INFO L225 Difference]: With dead ends: 90 [2020-10-14 23:43:02,922 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 23:43:02,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2020-10-14 23:43:02,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 23:43:02,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-14 23:43:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 23:43:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions. [2020-10-14 23:43:02,932 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 51 [2020-10-14 23:43:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:02,932 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 65 transitions. [2020-10-14 23:43:02,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 23:43:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2020-10-14 23:43:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 23:43:02,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:02,938 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:43:02,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 23:43:02,938 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:02,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:02,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1679674501, now seen corresponding path program 2 times [2020-10-14 23:43:02,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:02,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182408171] [2020-10-14 23:43:02,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:03,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:03,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 23:43:05,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:43:05,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2258 [2020-10-14 23:43:05,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 23:43:05,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:05,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:05,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:05,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:05,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:05,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:05,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 23:43:05,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:05,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:05,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:05,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:05,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:05,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:05,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:05,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:05,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:05,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:05,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:05,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:05,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:05,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:05,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 23:43:05,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:05,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:05,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:05,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:05,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:05,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:05,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:05,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:05,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:05,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 23:43:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:05,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:05,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:05,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:05,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:05,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:05,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:05,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:43:05,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:05,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 23:43:05,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182408171] [2020-10-14 23:43:05,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:05,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 23:43:05,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50115802] [2020-10-14 23:43:05,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:43:05,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:05,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:43:05,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:43:05,516 INFO L87 Difference]: Start difference. First operand 57 states and 65 transitions. Second operand 9 states. [2020-10-14 23:43:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:05,788 INFO L93 Difference]: Finished difference Result 95 states and 110 transitions. [2020-10-14 23:43:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:43:05,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-14 23:43:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:05,790 INFO L225 Difference]: With dead ends: 95 [2020-10-14 23:43:05,792 INFO L226 Difference]: Without dead ends: 66 [2020-10-14 23:43:05,793 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 [2020-10-14 23:43:05,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-14 23:43:05,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 61. [2020-10-14 23:43:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-14 23:43:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-10-14 23:43:05,808 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 60 [2020-10-14 23:43:05,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:05,809 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-10-14 23:43:05,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:43:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-10-14 23:43:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 23:43:05,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:05,810 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 23:43:05,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 23:43:05,811 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:05,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:05,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 1 times [2020-10-14 23:43:05,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:05,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093887301] [2020-10-14 23:43:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:07,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:07,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:07,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:08,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:08,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:09,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:09,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 23:43:09,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:43:09,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3920 [2020-10-14 23:43:09,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:09,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 23:43:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 23:43:09,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 23:43:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:10,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:10,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:10,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:10,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:10,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:10,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:10,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:10,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:10,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:10,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 23:43:10,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:10,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 23:43:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:43:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:10,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:10,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:10,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:10,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:10,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:43:10,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:10,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:43:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:10,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:10,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:10,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:10,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:10,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 23:43:10,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:10,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:10,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:10,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:10,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:10,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:10,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:10,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:10,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:10,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:10,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 23:43:10,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:10,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:43:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:43:10,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:10,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:10,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:10,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:10,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:10,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 23:43:10,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:10,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:10,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:10,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:10,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:10,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:11,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:11,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:11,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:11,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:11,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 23:43:11,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:11,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:43:11,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 23:43:11,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093887301] [2020-10-14 23:43:11,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:11,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 23:43:11,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520738946] [2020-10-14 23:43:11,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 23:43:11,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:11,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 23:43:11,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2020-10-14 23:43:11,301 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 30 states. [2020-10-14 23:43:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:13,425 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions. [2020-10-14 23:43:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 23:43:13,425 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 61 [2020-10-14 23:43:13,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:13,427 INFO L225 Difference]: With dead ends: 95 [2020-10-14 23:43:13,427 INFO L226 Difference]: Without dead ends: 93 [2020-10-14 23:43:13,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=202, Invalid=2248, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 23:43:13,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-14 23:43:13,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 79. [2020-10-14 23:43:13,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-14 23:43:13,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2020-10-14 23:43:13,457 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 61 [2020-10-14 23:43:13,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:13,458 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2020-10-14 23:43:13,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 23:43:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2020-10-14 23:43:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 23:43:13,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:13,463 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:13,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 23:43:13,464 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:13,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 2 times [2020-10-14 23:43:13,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:13,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968098828] [2020-10-14 23:43:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:13,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:13,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:13,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:15,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 23:43:18,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 23:43:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 23:43:18,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 23:43:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:18,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:18,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:18,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:18,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:18,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:18,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:18,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 23:43:18,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:18,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:18,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:18,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:18,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:18,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:18,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:18,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:18,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:18,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:18,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:43:18,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:18,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:18,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:18,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:18,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:43:18,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:18,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:18,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:18,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:18,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:18,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:18,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:18,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:18,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:18,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:43:18,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:43:18,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:18,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:43:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 23:43:18,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968098828] [2020-10-14 23:43:18,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:18,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:18,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100070321] [2020-10-14 23:43:18,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:18,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:18,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:18,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:18,766 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand 10 states. [2020-10-14 23:43:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:19,063 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2020-10-14 23:43:19,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:43:19,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-14 23:43:19,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:19,067 INFO L225 Difference]: With dead ends: 99 [2020-10-14 23:43:19,067 INFO L226 Difference]: Without dead ends: 75 [2020-10-14 23:43:19,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:43:19,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-14 23:43:19,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-14 23:43:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-14 23:43:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2020-10-14 23:43:19,078 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 62 [2020-10-14 23:43:19,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:19,079 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2020-10-14 23:43:19,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2020-10-14 23:43:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 23:43:19,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:19,081 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:19,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 23:43:19,081 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:19,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:19,081 INFO L82 PathProgramCache]: Analyzing trace with hash 274449135, now seen corresponding path program 3 times [2020-10-14 23:43:19,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:19,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849926479] [2020-10-14 23:43:19,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:20,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:21,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:21,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:24,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:24,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 23:43:24,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 23:43:24,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 23:43:24,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:24,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 23:43:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 23:43:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 23:43:24,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:24,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:24,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:24,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:24,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:24,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:24,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:24,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:24,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:24,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:24,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:24,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:24,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 23:43:24,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:24,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 23:43:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:43:24,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:24,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:24,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:24,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:24,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:24,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 23:43:24,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:24,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:43:24,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:24,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:24,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:24,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:24,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:24,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:24,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 23:43:24,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:24,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:24,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:24,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:24,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:24,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:24,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:24,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 23:43:24,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:24,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:43:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:43:24,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:24,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:24,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:24,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:24,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:24,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 23:43:24,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:24,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:43:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:43:24,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:25,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 23:43:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:25,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:43:25,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:43:25,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:25,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:43:25,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 23:43:25,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849926479] [2020-10-14 23:43:25,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:25,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 23:43:25,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331139289] [2020-10-14 23:43:25,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 23:43:25,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:25,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 23:43:25,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=803, Unknown=0, NotChecked=0, Total=870 [2020-10-14 23:43:25,321 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand 30 states. [2020-10-14 23:43:26,144 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-14 23:43:26,360 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-10-14 23:43:27,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:27,549 INFO L93 Difference]: Finished difference Result 93 states and 118 transitions. [2020-10-14 23:43:27,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 23:43:27,549 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 62 [2020-10-14 23:43:27,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:27,551 INFO L225 Difference]: With dead ends: 93 [2020-10-14 23:43:27,552 INFO L226 Difference]: Without dead ends: 91 [2020-10-14 23:43:27,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=222, Invalid=2328, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 23:43:27,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-14 23:43:27,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2020-10-14 23:43:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-14 23:43:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2020-10-14 23:43:27,581 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 62 [2020-10-14 23:43:27,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:27,581 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2020-10-14 23:43:27,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 23:43:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2020-10-14 23:43:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 23:43:27,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:27,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:27,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 23:43:27,583 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:27,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:27,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 4 times [2020-10-14 23:43:27,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:27,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [855559845] [2020-10-14 23:43:27,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:27,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:27,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:27,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 23:43:30,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 23:43:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2492 [2020-10-14 23:43:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:30,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 23:43:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:30,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:30,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:30,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:30,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 23:43:30,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:30,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:30,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:30,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:30,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:30,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:43:30,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:43:30,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:43:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 23:43:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:30,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:30,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:30,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:30,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:30,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 23:43:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:43:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 23:43:30,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [855559845] [2020-10-14 23:43:30,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:30,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:30,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619999127] [2020-10-14 23:43:30,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:30,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:30,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:30,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:30,301 INFO L87 Difference]: Start difference. First operand 89 states and 115 transitions. Second operand 10 states. [2020-10-14 23:43:30,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:30,655 INFO L93 Difference]: Finished difference Result 124 states and 156 transitions. [2020-10-14 23:43:30,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:43:30,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-14 23:43:30,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:30,658 INFO L225 Difference]: With dead ends: 124 [2020-10-14 23:43:30,658 INFO L226 Difference]: Without dead ends: 83 [2020-10-14 23:43:30,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-14 23:43:30,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-14 23:43:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-14 23:43:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-14 23:43:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 103 transitions. [2020-10-14 23:43:30,670 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 103 transitions. Word has length 62 [2020-10-14 23:43:30,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:30,670 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 103 transitions. [2020-10-14 23:43:30,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 103 transitions. [2020-10-14 23:43:30,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-14 23:43:30,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:30,672 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:30,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 23:43:30,672 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:30,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1074770361, now seen corresponding path program 5 times [2020-10-14 23:43:30,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:30,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116903874] [2020-10-14 23:43:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:30,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:32,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 23:43:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:35,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:35,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:35,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:35,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 23:43:35,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:35,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:35,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:35,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:35,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:43:35,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 23:43:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:35,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:35,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:43:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 23:43:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:35,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:35,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:43:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-14 23:43:35,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116903874] [2020-10-14 23:43:35,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:43:35,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 23:43:35,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997805936] [2020-10-14 23:43:35,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:43:35,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:35,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:43:35,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:43:35,884 INFO L87 Difference]: Start difference. First operand 83 states and 103 transitions. Second operand 9 states. [2020-10-14 23:43:36,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:36,105 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2020-10-14 23:43:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 23:43:36,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-14 23:43:36,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:36,106 INFO L225 Difference]: With dead ends: 133 [2020-10-14 23:43:36,106 INFO L226 Difference]: Without dead ends: 75 [2020-10-14 23:43:36,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 23:43:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-14 23:43:36,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-10-14 23:43:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-14 23:43:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2020-10-14 23:43:36,116 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 70 [2020-10-14 23:43:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:36,117 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2020-10-14 23:43:36,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:43:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2020-10-14 23:43:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 23:43:36,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:36,118 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:36,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 23:43:36,119 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:36,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:36,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-10-14 23:43:36,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:36,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92161612] [2020-10-14 23:43:36,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:38,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:38,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:40,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 23:43:41,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 23:43:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 23:43:41,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 23:43:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 23:43:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:41,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 23:43:41,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:41,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:41,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:41,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:41,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:41,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:41,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:41,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:43:41,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:41,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:41,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:43:41,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:41,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:41,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:41,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:41,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 23:43:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:41,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:41,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:41,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:41,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:43:41,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:41,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-14 23:43:41,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92161612] [2020-10-14 23:43:41,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:41,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 23:43:41,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896717352] [2020-10-14 23:43:41,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 23:43:41,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:41,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 23:43:41,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:43:41,553 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand 17 states. [2020-10-14 23:43:42,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:42,467 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2020-10-14 23:43:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 23:43:42,468 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-10-14 23:43:42,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:42,470 INFO L225 Difference]: With dead ends: 81 [2020-10-14 23:43:42,470 INFO L226 Difference]: Without dead ends: 77 [2020-10-14 23:43:42,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 23:43:42,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-14 23:43:42,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2020-10-14 23:43:42,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-14 23:43:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2020-10-14 23:43:42,480 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 71 [2020-10-14 23:43:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:42,480 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2020-10-14 23:43:42,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 23:43:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2020-10-14 23:43:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-14 23:43:42,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:42,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:42,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 23:43:42,482 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:42,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:42,482 INFO L82 PathProgramCache]: Analyzing trace with hash 818416110, now seen corresponding path program 2 times [2020-10-14 23:43:42,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:42,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819311211] [2020-10-14 23:43:42,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:42,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:46,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:46,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 23:43:47,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 23:43:47,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 23:43:47,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 23:43:47,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:47,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:47,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:47,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:47,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:47,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:47,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:47,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:43:47,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 23:43:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-14 23:43:47,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819311211] [2020-10-14 23:43:47,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:47,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:47,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759792176] [2020-10-14 23:43:47,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:47,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:47,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:47,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:47,742 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand 10 states. [2020-10-14 23:43:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:48,034 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-10-14 23:43:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:43:48,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-10-14 23:43:48,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:48,036 INFO L225 Difference]: With dead ends: 77 [2020-10-14 23:43:48,036 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 23:43:48,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:43:48,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 23:43:48,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-14 23:43:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 23:43:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2020-10-14 23:43:48,044 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 72 [2020-10-14 23:43:48,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:48,044 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2020-10-14 23:43:48,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2020-10-14 23:43:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-14 23:43:48,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:48,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:48,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 23:43:48,046 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:48,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:48,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1803322438, now seen corresponding path program 3 times [2020-10-14 23:43:48,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:48,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037510988] [2020-10-14 23:43:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:48,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:49,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:52,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 23:43:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:53,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:53,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:53,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 23:43:53,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:53,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:53,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:53,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:53,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:53,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:53,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:53,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:43:53,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:53,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-14 23:43:53,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:53,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:43:53,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:53,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 23:43:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:53,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:53,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:43:53,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:53,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 23:43:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:53,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:53,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 23:43:53,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037510988] [2020-10-14 23:43:53,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:53,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:53,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505280330] [2020-10-14 23:43:53,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:53,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:53,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:53,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:53,402 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2020-10-14 23:43:53,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:53,679 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2020-10-14 23:43:53,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:43:53,680 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-10-14 23:43:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:53,680 INFO L225 Difference]: With dead ends: 60 [2020-10-14 23:43:53,681 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 23:43:53,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:43:53,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 23:43:53,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 23:43:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 23:43:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 23:43:53,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-10-14 23:43:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:53,683 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 23:43:53,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 23:43:53,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 23:43:53,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 23:43:53,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 23:43:54,089 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-10-14 23:43:54,273 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-10-14 23:43:54,476 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-10-14 23:43:54,604 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-10-14 23:43:54,735 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-10-14 23:43:54,925 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-10-14 23:43:54,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:43:54,932 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:54,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:43:54,932 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-10-14 23:43:54,932 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-10-14 23:43:54,932 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-10-14 23:43:54,933 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-10-14 23:43:54,933 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-10-14 23:43:54,933 INFO L264 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-14 23:43:54,933 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-10-14 23:43:54,933 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-10-14 23:43:54,935 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (and (let ((.cse3 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)) (.cse1 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse2 (+ sll_update_at_~data |sll_update_at_#in~index|))) (or (let ((.cse0 (+ |sll_update_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse0) sll_update_at_~head.offset) .cse1 (<= (+ |sll_update_at_#in~data| 1) .cse2) (<= .cse2 (+ sll_update_at_~index |sll_update_at_#in~data| 1)) .cse3 (= (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse0) sll_update_at_~head.base))) (and .cse1 .cse3 (<= 2 |sll_update_at_#in~index|)) (let ((.cse4 (+ sll_update_at_~index |sll_update_at_#in~data|))) (and .cse1 (<= .cse4 .cse2) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (<= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) (<= sll_update_at_~head.offset |sll_update_at_#in~head.offset|) (<= .cse2 .cse4))))) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 23:43:54,935 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-10-14 23:43:54,935 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-10-14 23:43:54,936 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 23:43:54,936 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:43:54,936 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:43:54,936 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:43:54,936 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= sll_create_~head~0.offset 0))) (or (and (= (select |#valid| sll_create_~head~0.base) 1) .cse0 (not (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 4))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)))) [2020-10-14 23:43:54,936 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-10-14 23:43:54,936 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-10-14 23:43:54,936 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-10-14 23:43:54,937 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= (select |#valid| sll_create_~head~0.base) 1)) (.cse1 (= sll_create_~head~0.offset 0)) (.cse2 (not (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 4)))) (or (and (= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0 .cse1 .cse2) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and .cse0 .cse1 .cse2 (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4))))))) [2020-10-14 23:43:54,937 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-10-14 23:43:54,938 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:54,938 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-10-14 23:43:54,938 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:43:54,938 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:43:54,938 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:43:54,938 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:43:54,938 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 23:43:54,939 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 23:43:54,939 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:43:54,939 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-10-14 23:43:54,940 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-10-14 23:43:54,941 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (and (or (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (<= 1 |sll_get_data_at_#in~index|)) (or (<= 2 |sll_get_data_at_#in~index|) (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_~index |sll_get_data_at_#in~index|) (<= |sll_get_data_at_#in~head.offset| sll_get_data_at_~head.offset) (<= 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$.offset| |sll_get_data_at_#in~head.base|) .cse0) sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse0)) (= |sll_get_data_at_#in~index| (+ sll_get_data_at_~index 1)))))) [2020-10-14 23:43:54,941 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-10-14 23:43:54,941 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-10-14 23:43:54,941 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse8 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse9)) (.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9))) (let ((.cse0 (not (= .cse7 main_~s~0.base))) (.cse2 (* 2 main_~len~0)) (.cse3 (<= main_~i~0 1)) (.cse4 (or (not (= main_~i~0 1)) (= (+ main_~i~0 main_~len~0) main_~new_data~0))) (.cse5 (not (= .cse9 .cse8)))) (or (let ((.cse1 (+ main_~new_data~0 1))) (and .cse0 (<= .cse1 .cse2) (<= 1 main_~i~0) (<= .cse2 .cse1) .cse3 .cse4 .cse5)) (let ((.cse6 (+ (select (select |#memory_int| .cse7) .cse8) 1))) (and (<= main_~len~0 2) .cse0 (<= 2 main_~len~0) (<= main_~len~0 main_~new_data~0) (<= 0 main_~i~0) (<= .cse6 .cse2) (<= .cse2 .cse6) (<= main_~new_data~0 main_~len~0) .cse3 .cse4 .cse5)))))) [2020-10-14 23:43:54,941 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-10-14 23:43:54,941 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-10-14 23:43:54,942 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse10 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (<= main_~len~0 .cse10)) (.cse3 (<= main_~len~0 main_~new_data~0)) (.cse4 (<= main_~new_data~0 main_~len~0)) (.cse5 (<= .cse10 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse7 (+ main_~i~0 1))) (or (and .cse0 (<= main_~i~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9))) (let ((.cse8 (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse9)))) (and .cse0 (not (= .cse6 main_~s~0.base)) .cse3 (<= 1 main_~i~0) (<= main_~len~0 .cse7) (<= (+ .cse8 1) (* 2 main_~len~0)) (<= (+ main_~i~0 main_~len~0) .cse8) .cse4 .cse5 (<= main_~i~0 1))))) (and .cse1 .cse2 (<= .cse7 0))))) [2020-10-14 23:43:54,942 INFO L264 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-14 23:43:54,942 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (= |#memory_$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$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:54,942 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse13 (+ main_~s~0.offset 4))) (let ((.cse12 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse13)) (.cse14 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse13))) (let ((.cse11 (+ (select (select |#memory_int| .cse12) .cse14) 1)) (.cse7 (* 2 main_~len~0))) (let ((.cse3 (<= main_~i~0 1)) (.cse4 (not (= .cse13 .cse14))) (.cse5 (<= main_~len~0 2)) (.cse0 (not (= .cse12 main_~s~0.base))) (.cse1 (<= 2 main_~len~0)) (.cse2 (+ main_~i~0 1)) (.cse8 (<= .cse11 .cse7)) (.cse9 (<= .cse7 .cse11))) (or (and .cse0 .cse1 (<= main_~len~0 .cse2) .cse3 .cse4) (let ((.cse6 (+ main_~new_data~0 1))) (and .cse5 .cse0 .cse1 (<= .cse6 .cse7) (<= 0 main_~i~0) .cse8 .cse9 (<= .cse7 .cse6) .cse3 .cse4)) (let ((.cse10 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (<= main_~len~0 .cse10) .cse5 .cse0 .cse1 (<= main_~len~0 main_~new_data~0) (<= .cse2 0) .cse8 .cse9 (<= main_~new_data~0 main_~len~0) (<= .cse10 main_~len~0)))))))) [2020-10-14 23:43:54,942 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-10-14 23:43:54,942 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-14 23:43:54,943 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-10-14 23:43:54,943 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-10-14 23:43:54,943 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-10-14 23:43:54,943 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-10-14 23:43:54,944 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:54,944 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-10-14 23:43:54,944 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse8 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (<= 2 main_~len~0)) (.cse2 (<= main_~len~0 main_~new_data~0)) (.cse4 (<= main_~expected~0 (+ main_~i~0 .cse8))) (.cse5 (<= main_~new_data~0 main_~len~0)) (.cse6 (<= .cse8 main_~len~0))) (or (let ((.cse7 (+ main_~s~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7))) (let ((.cse3 (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7)))) (and .cse0 (not (= .cse1 main_~s~0.base)) .cse2 (<= main_~len~0 (+ main_~i~0 1)) (<= .cse3 main_~expected~0) .cse4 (<= (+ main_~i~0 main_~len~0) .cse3) .cse5 .cse6 (<= main_~i~0 1))))) (and (<= main_~len~0 .cse8) (<= main_~i~0 0) (<= main_~len~0 2) (<= .cse8 main_~expected~0) .cse0 .cse2 .cse4 .cse5 .cse6)))) [2020-10-14 23:43:54,944 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-10-14 23:43:54,944 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-10-14 23:43:54,944 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:54,945 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-10-14 23:43:54,945 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-10-14 23:43:54,945 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-10-14 23:43:54,945 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-10-14 23:43:54,945 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-10-14 23:43:54,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:54,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:54,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:54,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:54,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,041 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:43:55 BoogieIcfgContainer [2020-10-14 23:43:55,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:43:55,053 INFO L168 Benchmark]: Toolchain (without parser) took 65684.73 ms. Allocated memory was 148.9 MB in the beginning and 936.4 MB in the end (delta: 787.5 MB). Free memory was 102.5 MB in the beginning and 622.2 MB in the end (delta: -519.7 MB). Peak memory consumption was 267.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,054 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.2 MB in the beginning and 121.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.70 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 170.8 MB in the end (delta: -68.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,056 INFO L168 Benchmark]: Boogie Preprocessor took 62.58 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 167.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,064 INFO L168 Benchmark]: RCFGBuilder took 584.51 ms. Allocated memory is still 205.5 MB. Free memory was 167.2 MB in the beginning and 120.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,065 INFO L168 Benchmark]: TraceAbstraction took 64374.24 ms. Allocated memory was 205.5 MB in the beginning and 936.4 MB in the end (delta: 730.9 MB). Free memory was 119.4 MB in the beginning and 622.2 MB in the end (delta: -502.8 MB). Peak memory consumption was 228.1 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,073 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.9 MB. Free memory was 122.2 MB in the beginning and 121.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.70 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 170.8 MB in the end (delta: -68.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.58 ms. Allocated memory is still 205.5 MB. Free memory was 170.8 MB in the beginning and 167.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 584.51 ms. Allocated memory is still 205.5 MB. Free memory was 167.2 MB in the beginning and 120.3 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 64374.24 ms. Allocated memory was 205.5 MB in the beginning and 936.4 MB in the end (delta: 730.9 MB). Free memory was 119.4 MB in the beginning and 622.2 MB in the end (delta: -502.8 MB). Peak memory consumption was 228.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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_int - 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_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_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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #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_$Pointer$ * 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 [2020-10-14 23:43:55,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (\old(index) == index || 1 <= \old(index)) && ((2 <= \old(index) || ((((\old(index) <= index && head == head) && index <= \old(index)) && head <= head) && head <= head)) || ((#memory_$Pointer$[head][head + 4] == head && head == #memory_$Pointer$[head][head + 4]) && \old(index) == index + 1)) - InvariantResult [Line: 611]: Loop Invariant [2020-10-14 23:43:55,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((len <= unknown-#memory_int-unknown[s][s] && i <= 0) && len <= 2) && 2 <= len) && len <= new_data) && new_data <= len) && unknown-#memory_int-unknown[s][s] <= len) || (((((((((len <= unknown-#memory_int-unknown[s][s] && !(#memory_$Pointer$[s][s + 4] == s)) && len <= new_data) && 1 <= i) && len <= i + 1) && 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]]) && new_data <= len) && unknown-#memory_int-unknown[s][s] <= len) && i <= 1)) || ((len <= 2 && 2 <= len) && i + 1 <= 0) - InvariantResult [Line: 596]: Loop Invariant [2020-10-14 23:43:55,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((#memory_$Pointer$[head][head + 4] == head && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) + 1 <= data + \old(index)) && data + \old(index) <= index + \old(data) + 1) && index + 1 <= \old(index)) && #memory_$Pointer$[head][head + 4] == head) || ((#memory_$Pointer$ == \old(#memory_$Pointer$) && index + 1 <= \old(index)) && 2 <= \old(index))) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && index + \old(data) <= data + \old(index)) && head == head) && head <= head) && \old(index) == index) && head <= head) && data + \old(index) <= index + \old(data))) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 607]: Loop Invariant [2020-10-14 23:43:55,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((!(#memory_$Pointer$[s][s + 4] == s) && 2 <= len) && len <= i + 1) && i <= 1) && !(s + 4 == #memory_$Pointer$[s][s + 4])) || (((((((((len <= 2 && !(#memory_$Pointer$[s][s + 4] == s)) && 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) && i <= 1) && !(s + 4 == #memory_$Pointer$[s][s + 4]))) || (((((((((len <= unknown-#memory_int-unknown[s][s] && len <= 2) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 <= len) && len <= new_data) && i + 1 <= 0) && 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) && new_data <= len) && unknown-#memory_int-unknown[s][s] <= len) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-10-14 23:43:55,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,146 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,151 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((\old(len) == len + 1 && \valid[head] == 1) && head == 0) && !(#memory_$Pointer$[head][4] == 4)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || (((\valid[head] == 1 && head == 0) && !(#memory_$Pointer$[head][4] == 4)) && !(head == #memory_$Pointer$[head][head + 4])) - 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, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 468 SDtfs, 910 SDslu, 2287 SDs, 0 SdLazy, 5070 SolverSat, 587 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 102 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 92 PreInvPairs, 141 NumberOfFragments, 989 HoareAnnotationTreeSize, 92 FomulaSimplifications, 3214 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 24 FomulaSimplificationsInter, 631 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 53.2s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 731 ConstructedInterpolants, 0 QuantifiedInterpolants, 248885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 243/305 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...