/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/dll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:37:30,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:37:30,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:37:31,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:37:31,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:37:31,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:37:31,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:37:31,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:37:31,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:37:31,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:37:31,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:37:31,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:37:31,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:37:31,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:37:31,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:37:31,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:37:31,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:37:31,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:37:31,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:37:31,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:37:31,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:37:31,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:37:31,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:37:31,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:37:31,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:37:31,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:37:31,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:37:31,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:37:31,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:37:31,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:37:31,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:37:31,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:37:31,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:37:31,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:37:31,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:37:31,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:37:31,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:37:31,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:37:31,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:37:31,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:37:31,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:37:31,093 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 23:37:31,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:37:31,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:37:31,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:37:31,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:37:31,126 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:37:31,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:37:31,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:37:31,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:37:31,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:37:31,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:37:31,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:37:31,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:37:31,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:37:31,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:37:31,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:37:31,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:37:31,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:37:31,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:37:31,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:37:31,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:37:31,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:37:31,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:37:31,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:37:31,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:37:31,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:37:31,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:37:31,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:37:31,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:37:31,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:37:31,131 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 23:37:31,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:37:31,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:37:31,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:37:31,442 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:37:31,443 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:37:31,444 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2020-10-14 23:37:31,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32ff54e70/7382db5708f94638b4227d7ca5555b4c/FLAG722c7df82 [2020-10-14 23:37:32,050 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:37:32,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2020-10-14 23:37:32,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32ff54e70/7382db5708f94638b4227d7ca5555b4c/FLAG722c7df82 [2020-10-14 23:37:32,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32ff54e70/7382db5708f94638b4227d7ca5555b4c [2020-10-14 23:37:32,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:37:32,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:37:32,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:37:32,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:37:32,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:37:32,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752f575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32, skipping insertion in model container [2020-10-14 23:37:32,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:37:32,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:37:32,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:37:32,815 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:37:32,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:37:32,928 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:37:32,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32 WrapperNode [2020-10-14 23:37:32,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:37:32,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:37:32,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:37:32,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:37:32,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (1/1) ... [2020-10-14 23:37:32,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:37:32,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:37:32,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:37:32,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:37:32,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (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 23:37:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:37:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:37:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 23:37:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 23:37:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-14 23:37:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-14 23:37:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-14 23:37:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2020-10-14 23:37:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2020-10-14 23:37:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2020-10-14 23:37:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:37:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:37:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 23:37:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 23:37:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 23:37:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 23:37:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 23:37:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 23:37:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 23:37:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 23:37:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 23:37:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 23:37:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 23:37:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 23:37:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 23:37:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 23:37:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 23:37:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 23:37:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 23:37:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 23:37:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 23:37:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 23:37:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 23:37:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 23:37:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 23:37:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 23:37:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 23:37:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 23:37:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 23:37:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 23:37:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 23:37:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 23:37:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 23:37:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 23:37:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 23:37:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 23:37:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 23:37:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 23:37:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 23:37:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 23:37:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 23:37:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 23:37:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 23:37:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 23:37:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 23:37:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 23:37:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 23:37:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 23:37:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 23:37:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 23:37:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 23:37:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 23:37:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 23:37:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 23:37:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 23:37:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 23:37:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 23:37:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 23:37:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 23:37:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 23:37:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 23:37:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 23:37:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 23:37:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 23:37:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 23:37:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 23:37:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 23:37:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 23:37:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 23:37:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 23:37:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 23:37:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 23:37:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 23:37:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 23:37:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 23:37:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 23:37:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 23:37:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 23:37:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 23:37:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 23:37:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 23:37:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 23:37:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 23:37:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 23:37:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 23:37:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 23:37:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 23:37:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 23:37:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 23:37:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 23:37:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 23:37:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 23:37:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 23:37:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 23:37:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 23:37:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 23:37:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 23:37:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 23:37:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 23:37:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 23:37:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-14 23:37:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-14 23:37:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 23:37:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 23:37:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:37:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-14 23:37:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2020-10-14 23:37:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 23:37:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:37:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2020-10-14 23:37:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:37:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2020-10-14 23:37:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:37:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:37:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:37:33,565 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-14 23:37:33,669 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:37:33,669 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 23:37:33,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:33 BoogieIcfgContainer [2020-10-14 23:37:33,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:37:33,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:37:33,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:37:33,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:37:33,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:37:32" (1/3) ... [2020-10-14 23:37:33,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362c9b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:33, skipping insertion in model container [2020-10-14 23:37:33,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:32" (2/3) ... [2020-10-14 23:37:33,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362c9b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:33, skipping insertion in model container [2020-10-14 23:37:33,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:33" (3/3) ... [2020-10-14 23:37:33,681 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2020-10-14 23:37:33,691 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:37:33,699 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:37:33,712 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:37:33,734 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:37:33,734 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:37:33,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:37:33,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:37:33,735 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:37:33,735 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:37:33,735 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:37:33,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:37:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-14 23:37:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 23:37:33,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:33,763 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] [2020-10-14 23:37:33,763 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:33,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:33,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1661227511, now seen corresponding path program 1 times [2020-10-14 23:37:33,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:33,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249766064] [2020-10-14 23:37:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:33,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:34,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:34,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:34,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:34,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 23:37:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:37:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-10-14 23:37:34,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:34,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:37:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:37:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 23:37:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 23:37:34,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:37:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:34,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:34,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:34,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:37:34,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:37:34,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:34,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:34,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:34,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:37:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:35,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:35,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:35,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:35,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:37:35,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:37:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 23:37:35,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:35,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 23:37:35,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:35,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:37:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:35,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:35,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:35,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:35,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:37:35,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:35,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:35,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:35,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:37:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:35,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:35,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:37:35,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:35,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:37:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:35,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:35,185 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 23:37:35,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249766064] [2020-10-14 23:37:35,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:37:35,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 23:37:35,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847192444] [2020-10-14 23:37:35,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 23:37:35,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:37:35,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 23:37:35,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 23:37:35,214 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 6 states. [2020-10-14 23:37:35,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:37:35,638 INFO L93 Difference]: Finished difference Result 111 states and 152 transitions. [2020-10-14 23:37:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 23:37:35,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-14 23:37:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:37:35,649 INFO L225 Difference]: With dead ends: 111 [2020-10-14 23:37:35,649 INFO L226 Difference]: Without dead ends: 55 [2020-10-14 23:37:35,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:37:35,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-14 23:37:35,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 46. [2020-10-14 23:37:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-14 23:37:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2020-10-14 23:37:35,701 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 32 [2020-10-14 23:37:35,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:37:35,702 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2020-10-14 23:37:35,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 23:37:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2020-10-14 23:37:35,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 23:37:35,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:35,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:37:35,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:37:35,705 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:35,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:35,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2064355028, now seen corresponding path program 1 times [2020-10-14 23:37:35,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:35,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597960092] [2020-10-14 23:37:35,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:35,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:35,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:35,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:36,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:37,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:37,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:38,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:38,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 23:37:38,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:37:38,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2675 [2020-10-14 23:37:38,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:38,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 23:37:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:37:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 23:37:38,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:37:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:38,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:38,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:38,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:37:38,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:37:38,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:38,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:38,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:38,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:37:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:38,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:38,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:38,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:37:38,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 23:37:38,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:38,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:37:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 23:37:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:38,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:37:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:38,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:38,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:38,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:38,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:38,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:37:38,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:38,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:38,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 23:37:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:38,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:38,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 23:37:38,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:38,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:37:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:37:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:37:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:39,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:39,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:39,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:39,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:39,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 23:37:39,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:39,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:39,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:37:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:39,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:37:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:37:39,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597960092] [2020-10-14 23:37:39,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:37:39,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 23:37:39,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125212087] [2020-10-14 23:37:39,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 23:37:39,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:37:39,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 23:37:39,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2020-10-14 23:37:39,123 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 19 states. [2020-10-14 23:37:40,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:37:40,809 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2020-10-14 23:37:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 23:37:40,813 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 40 [2020-10-14 23:37:40,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:37:40,816 INFO L225 Difference]: With dead ends: 91 [2020-10-14 23:37:40,817 INFO L226 Difference]: Without dead ends: 89 [2020-10-14 23:37:40,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=146, Invalid=976, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 23:37:40,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-14 23:37:40,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 73. [2020-10-14 23:37:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-14 23:37:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2020-10-14 23:37:40,872 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 40 [2020-10-14 23:37:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:37:40,873 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2020-10-14 23:37:40,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 23:37:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2020-10-14 23:37:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 23:37:40,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:40,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:37:40,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:37:40,875 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:40,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:40,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1913121549, now seen corresponding path program 1 times [2020-10-14 23:37:40,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:40,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802214893] [2020-10-14 23:37:40,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:40,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:40,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:40,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:41,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:41,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:41,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:44,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 23:37:44,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 23:37:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3309 [2020-10-14 23:37:44,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:44,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:37:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:37:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 23:37:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:44,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:37:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:44,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:44,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:37:44,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:44,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:37:44,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:44,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:44,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:37:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:44,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:37:44,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:37:44,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 23:37:44,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:44,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:44,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:44,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:44,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 23:37:44,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:44,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:37:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:44,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:44,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:44,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:44,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:37:44,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:44,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:44,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 23:37:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:44,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:44,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:44,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:44,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:37:44,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:44,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:44,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:44,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:44,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:44,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:44,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:37:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:44,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:44,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:37:44,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:44,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:37:44,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:44,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:37:44,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:44,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:44,408 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 23:37:44,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802214893] [2020-10-14 23:37:44,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:37:44,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 23:37:44,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196600555] [2020-10-14 23:37:44,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:37:44,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:37:44,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:37:44,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:37:44,411 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand 8 states. [2020-10-14 23:37:44,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:37:44,720 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2020-10-14 23:37:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 23:37:44,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-14 23:37:44,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:37:44,724 INFO L225 Difference]: With dead ends: 122 [2020-10-14 23:37:44,725 INFO L226 Difference]: Without dead ends: 97 [2020-10-14 23:37:44,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 23:37:44,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-14 23:37:44,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 79. [2020-10-14 23:37:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-14 23:37:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 99 transitions. [2020-10-14 23:37:44,763 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 99 transitions. Word has length 41 [2020-10-14 23:37:44,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:37:44,763 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 99 transitions. [2020-10-14 23:37:44,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:37:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2020-10-14 23:37:44,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 23:37:44,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:44,775 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] [2020-10-14 23:37:44,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 23:37:44,775 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:44,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:44,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1546383517, now seen corresponding path program 2 times [2020-10-14 23:37:44,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:44,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314452821] [2020-10-14 23:37:44,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:44,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:44,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:47,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:47,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:47,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:48,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:49,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:49,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 23:37:49,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 23:37:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 23:37:49,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:49,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:37:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:37:49,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 23:37:49,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:49,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:37:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:49,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:49,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:37:49,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:49,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:37:49,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:49,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:49,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:49,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:37:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:49,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:49,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:49,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:37:49,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:49,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 23:37:49,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:49,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:37:49,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:49,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 23:37:49,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:49,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:37:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:49,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:49,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:49,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:37:49,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:49,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:49,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 23:37:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:49,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:49,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:49,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:49,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:49,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:37:49,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:49,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:37:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:50,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:50,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:50,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:50,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:37:50,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:50,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:50,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:50,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:37:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:50,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:50,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:50,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:37:50,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:37:50,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:50,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:37:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:37:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:37:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 23:37:50,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314452821] [2020-10-14 23:37:50,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:37:50,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 23:37:50,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301250341] [2020-10-14 23:37:50,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 23:37:50,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:37:50,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 23:37:50,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-14 23:37:50,059 INFO L87 Difference]: Start difference. First operand 79 states and 99 transitions. Second operand 11 states. [2020-10-14 23:37:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:37:50,517 INFO L93 Difference]: Finished difference Result 121 states and 151 transitions. [2020-10-14 23:37:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:37:50,518 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 49 [2020-10-14 23:37:50,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:37:50,521 INFO L225 Difference]: With dead ends: 121 [2020-10-14 23:37:50,521 INFO L226 Difference]: Without dead ends: 91 [2020-10-14 23:37:50,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:37:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-14 23:37:50,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 77. [2020-10-14 23:37:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-14 23:37:50,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 96 transitions. [2020-10-14 23:37:50,563 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 96 transitions. Word has length 49 [2020-10-14 23:37:50,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:37:50,566 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 96 transitions. [2020-10-14 23:37:50,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 23:37:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2020-10-14 23:37:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 23:37:50,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:50,570 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] [2020-10-14 23:37:50,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 23:37:50,571 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:50,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:50,571 INFO L82 PathProgramCache]: Analyzing trace with hash 150555801, now seen corresponding path program 1 times [2020-10-14 23:37:50,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:50,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061668894] [2020-10-14 23:37:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:50,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:50,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:50,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:51,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:51,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:51,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 23:37:51,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:37:51,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-10-14 23:37:51,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:51,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 23:37:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:37:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 23:37:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:51,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:37:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:51,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:51,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:51,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:37:51,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:37:51,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:51,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:51,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:37:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:51,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:51,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:51,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:37:51,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 23:37:51,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:51,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:37:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 23:37:51,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:51,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:37:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:51,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:51,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:51,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:51,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:37:51,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:51,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:51,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 23:37:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:51,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:51,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:51,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:51,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:51,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:37:51,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:51,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:37:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:37:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:52,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 23:37:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:52,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:52,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:52,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:37:52,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:52,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 23:37:52,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:52,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:37:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:37:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:37:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:52,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:37:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:52,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:52,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:52,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:52,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:37:52,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:52,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:37:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:37:52,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 23:37:52,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061668894] [2020-10-14 23:37:52,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:37:52,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-14 23:37:52,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002947986] [2020-10-14 23:37:52,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-14 23:37:52,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:37:52,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-14 23:37:52,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2020-10-14 23:37:52,213 INFO L87 Difference]: Start difference. First operand 77 states and 96 transitions. Second operand 24 states. [2020-10-14 23:37:53,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:37:53,813 INFO L93 Difference]: Finished difference Result 115 states and 141 transitions. [2020-10-14 23:37:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 23:37:53,814 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 49 [2020-10-14 23:37:53,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:37:53,816 INFO L225 Difference]: With dead ends: 115 [2020-10-14 23:37:53,816 INFO L226 Difference]: Without dead ends: 113 [2020-10-14 23:37:53,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=267, Invalid=1713, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 23:37:53,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-14 23:37:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 87. [2020-10-14 23:37:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-14 23:37:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 110 transitions. [2020-10-14 23:37:53,832 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 110 transitions. Word has length 49 [2020-10-14 23:37:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:37:53,832 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 110 transitions. [2020-10-14 23:37:53,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-14 23:37:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2020-10-14 23:37:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 23:37:53,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:53,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:37:53,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 23:37:53,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:53,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1838424054, now seen corresponding path program 2 times [2020-10-14 23:37:53,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:53,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466773322] [2020-10-14 23:37:53,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:53,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:53,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:53,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:53,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:54,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:54,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:54,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:54,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:56,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 23:37:56,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 23:37:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2498 [2020-10-14 23:37:56,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:56,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:37:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:37:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:37:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:56,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:37:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:56,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:56,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:37:56,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:37:56,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:56,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:56,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:56,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:56,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:56,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:56,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:37:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:56,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:56,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 23:37:56,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 23:37:56,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:56,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:37:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 23:37:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:56,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:37:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:56,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:56,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:56,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:56,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:37:56,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:56,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:56,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 23:37:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:56,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:56,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:37:56,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:37:56,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:56,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:56,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:56,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:56,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:37:56,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 23:37:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:56,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:56,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:37:56,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:37:56,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:56,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:37:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:56,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:56,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:37:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:56,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:37:56,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:56,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:37:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 23:37:56,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466773322] [2020-10-14 23:37:56,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:37:56,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 23:37:56,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90399066] [2020-10-14 23:37:56,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:37:56,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:37:56,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:37:56,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:37:56,533 INFO L87 Difference]: Start difference. First operand 87 states and 110 transitions. Second operand 10 states. [2020-10-14 23:37:56,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:37:56,772 INFO L93 Difference]: Finished difference Result 113 states and 137 transitions. [2020-10-14 23:37:56,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 23:37:56,772 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2020-10-14 23:37:56,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:37:56,773 INFO L225 Difference]: With dead ends: 113 [2020-10-14 23:37:56,774 INFO L226 Difference]: Without dead ends: 64 [2020-10-14 23:37:56,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-14 23:37:56,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-14 23:37:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 56. [2020-10-14 23:37:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-14 23:37:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2020-10-14 23:37:56,788 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 50 [2020-10-14 23:37:56,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:37:56,788 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2020-10-14 23:37:56,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:37:56,789 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2020-10-14 23:37:56,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 23:37:56,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:56,790 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:37:56,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 23:37:56,790 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:56,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:56,790 INFO L82 PathProgramCache]: Analyzing trace with hash -470871118, now seen corresponding path program 1 times [2020-10-14 23:37:56,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:56,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666467418] [2020-10-14 23:37:56,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:56,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:56,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:57,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:58,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:58,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 23:37:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:37:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1993 [2020-10-14 23:37:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:58,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:37:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:37:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 23:37:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:58,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:37:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:58,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:58,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:58,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:37:58,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:37:58,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:58,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:58,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:37:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:58,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:58,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:58,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:58,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:37:58,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:37:58,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 23:37:58,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:58,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:58,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:37:58,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:37:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:58,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:58,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:58,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:58,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:37:58,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:58,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:37:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:58,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:58,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:58,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:58,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:37:58,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:58,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:37:58,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:37:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:58,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:59,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:59,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:59,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:37:59,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:59,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:37:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:37:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:59,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:37:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:59,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:59,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:59,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:59,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:37:59,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:59,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:37:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:37:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:37:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:59,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 23:37:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:37:59,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:37:59,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:37:59,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:37:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:37:59,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:37:59,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:37:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:37:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:37:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:37:59,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:37:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 23:37:59,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666467418] [2020-10-14 23:37:59,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:37:59,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:37:59,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560990681] [2020-10-14 23:37:59,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:37:59,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:37:59,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:37:59,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:37:59,052 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand 10 states. [2020-10-14 23:37:59,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:37:59,377 INFO L93 Difference]: Finished difference Result 87 states and 102 transitions. [2020-10-14 23:37:59,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 23:37:59,378 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-14 23:37:59,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:37:59,382 INFO L225 Difference]: With dead ends: 87 [2020-10-14 23:37:59,382 INFO L226 Difference]: Without dead ends: 68 [2020-10-14 23:37:59,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:37:59,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-14 23:37:59,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 60. [2020-10-14 23:37:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 23:37:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2020-10-14 23:37:59,396 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 58 [2020-10-14 23:37:59,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:37:59,396 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2020-10-14 23:37:59,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:37:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2020-10-14 23:37:59,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 23:37:59,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:37:59,397 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:37:59,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 23:37:59,398 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:37:59,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:37:59,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1967505627, now seen corresponding path program 1 times [2020-10-14 23:37:59,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:37:59,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391211422] [2020-10-14 23:37:59,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:37:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:37:59,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:00,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:00,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 23:38:00,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-10-14 23:38:00,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:00,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 23:38:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 23:38:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 23:38:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:00,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:00,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:00,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:00,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:00,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:00,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:00,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:00,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:00,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:00,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:00,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:01,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:01,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:38:01,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-14 23:38:01,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:01,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 23:38:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 23:38:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:01,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:01,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:01,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:01,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:01,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:01,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:38:01,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:01,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:38:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:38:01,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:01,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:01,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:01,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 23:38:01,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:01,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:38:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:38:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:01,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:38:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:01,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:01,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:01,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 23:38:01,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:01,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:38:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:38:01,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:01,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:38:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:01,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:01,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:01,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:01,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:38:01,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:01,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:38:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:01,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:38:01,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 23:38:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:01,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:01,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:38:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 23:38:02,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391211422] [2020-10-14 23:38:02,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:02,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 23:38:02,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156101560] [2020-10-14 23:38:02,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 23:38:02,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:02,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 23:38:02,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2020-10-14 23:38:02,034 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand 31 states. [2020-10-14 23:38:04,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:04,048 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2020-10-14 23:38:04,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 23:38:04,048 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2020-10-14 23:38:04,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:04,051 INFO L225 Difference]: With dead ends: 98 [2020-10-14 23:38:04,051 INFO L226 Difference]: Without dead ends: 96 [2020-10-14 23:38:04,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=179, Invalid=2077, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 23:38:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-14 23:38:04,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 85. [2020-10-14 23:38:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-14 23:38:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2020-10-14 23:38:04,071 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 59 [2020-10-14 23:38:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:04,073 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2020-10-14 23:38:04,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 23:38:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2020-10-14 23:38:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 23:38:04,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:04,074 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:04,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 23:38:04,075 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:04,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:04,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1118535150, now seen corresponding path program 2 times [2020-10-14 23:38:04,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:04,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701330457] [2020-10-14 23:38:04,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:04,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:04,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:04,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 23:38:05,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:38:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1708 [2020-10-14 23:38:05,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:38:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:38:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 23:38:05,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:05,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:05,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:05,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:05,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:05,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:38:05,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:38:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 23:38:05,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:38:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:05,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:05,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:38:05,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:38:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:05,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:05,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:38:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:05,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:38:05,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:38:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:05,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:05,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:05,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:05,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:05,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:05,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:38:05,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:05,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 23:38:05,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701330457] [2020-10-14 23:38:05,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:05,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:38:05,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721807923] [2020-10-14 23:38:05,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:38:05,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:38:05,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:38:05,993 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand 10 states. [2020-10-14 23:38:06,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:06,357 INFO L93 Difference]: Finished difference Result 122 states and 153 transitions. [2020-10-14 23:38:06,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:38:06,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-14 23:38:06,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:06,359 INFO L225 Difference]: With dead ends: 122 [2020-10-14 23:38:06,359 INFO L226 Difference]: Without dead ends: 81 [2020-10-14 23:38:06,361 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 23:38:06,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-14 23:38:06,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-14 23:38:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 23:38:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2020-10-14 23:38:06,371 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 60 [2020-10-14 23:38:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:06,372 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2020-10-14 23:38:06,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:38:06,372 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2020-10-14 23:38:06,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 23:38:06,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:06,373 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:06,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 23:38:06,373 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:06,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:06,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1221148414, now seen corresponding path program 3 times [2020-10-14 23:38:06,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:06,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073869077] [2020-10-14 23:38:06,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:06,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:06,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:06,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:06,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 23:38:07,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:38:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 644 [2020-10-14 23:38:07,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:38:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:38:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 23:38:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:38:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:38:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 23:38:07,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:38:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:07,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:07,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:38:07,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:07,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:07,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:07,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:07,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:07,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:07,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:38:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:07,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:07,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:38:07,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:38:07,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:07,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:38:07,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:38:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:07,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:07,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:07,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:38:07,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:07,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:38:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:07,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:07,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:07,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:07,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:07,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:38:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 23:38:07,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073869077] [2020-10-14 23:38:07,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:07,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:38:07,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061767530] [2020-10-14 23:38:07,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:38:07,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:07,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:38:07,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:38:07,230 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand 10 states. [2020-10-14 23:38:07,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:07,535 INFO L93 Difference]: Finished difference Result 116 states and 140 transitions. [2020-10-14 23:38:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 23:38:07,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-14 23:38:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:07,537 INFO L225 Difference]: With dead ends: 116 [2020-10-14 23:38:07,537 INFO L226 Difference]: Without dead ends: 81 [2020-10-14 23:38:07,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-14 23:38:07,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-14 23:38:07,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-14 23:38:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 23:38:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2020-10-14 23:38:07,546 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 60 [2020-10-14 23:38:07,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:07,547 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2020-10-14 23:38:07,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:38:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2020-10-14 23:38:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 23:38:07,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:07,548 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:07,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 23:38:07,548 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:07,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:07,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1518706309, now seen corresponding path program 4 times [2020-10-14 23:38:07,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:07,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642063949] [2020-10-14 23:38:07,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:07,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:07,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:09,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:12,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:12,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:12,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 23:38:12,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 23:38:12,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 23:38:12,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:12,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 23:38:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 23:38:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 23:38:12,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:12,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:12,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:12,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:12,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:12,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:12,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:12,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:12,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:12,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:12,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:12,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:12,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:12,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:38:12,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-14 23:38:12,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:12,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 23:38:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 23:38:12,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:13,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:13,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:13,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:13,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:38:13,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:13,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:38:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:38:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:13,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:13,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:13,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:13,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:38:13,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:13,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:38:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:13,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:38:13,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:13,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:38:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:13,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:13,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:13,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:38:13,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:13,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:38:13,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:13,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:38:13,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:38:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:13,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:13,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:13,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:13,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:38:13,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:13,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:13,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:38:13,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:13,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:38:13,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 23:38:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:13,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:13,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:13,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:13,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:13,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:38:13,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:13,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:38:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:38:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:13,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 23:38:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:38:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:13,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:38:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:38:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 23:38:13,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642063949] [2020-10-14 23:38:13,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:13,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 23:38:13,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332411394] [2020-10-14 23:38:13,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 23:38:13,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:13,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 23:38:13,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 23:38:13,842 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. Second operand 35 states. [2020-10-14 23:38:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:15,595 INFO L93 Difference]: Finished difference Result 103 states and 124 transitions. [2020-10-14 23:38:15,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 23:38:15,596 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 67 [2020-10-14 23:38:15,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:15,597 INFO L225 Difference]: With dead ends: 103 [2020-10-14 23:38:15,597 INFO L226 Difference]: Without dead ends: 101 [2020-10-14 23:38:15,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=209, Invalid=2547, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 23:38:15,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-14 23:38:15,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 81. [2020-10-14 23:38:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 23:38:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2020-10-14 23:38:15,610 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 67 [2020-10-14 23:38:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:15,610 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2020-10-14 23:38:15,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 23:38:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2020-10-14 23:38:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 23:38:15,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:15,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:15,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 23:38:15,612 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:15,612 INFO L82 PathProgramCache]: Analyzing trace with hash 715119440, now seen corresponding path program 1 times [2020-10-14 23:38:15,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:15,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644696878] [2020-10-14 23:38:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:15,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:15,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:16,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:16,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:16,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:17,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:18,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 23:38:18,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 23:38:18,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2938 [2020-10-14 23:38:18,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:18,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:18,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 23:38:18,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:38:18,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 23:38:18,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:18,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:18,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:18,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:18,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:18,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:18,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:18,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:18,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:18,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:38:18,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:38:18,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 23:38:18,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:18,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:18,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:38:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:18,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:18,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:18,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:18,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:18,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:18,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:38:18,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:18,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:18,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:38:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:18,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:18,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:18,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:38:18,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:18,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:38:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:38:18,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:18,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:38:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:18,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:18,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:18,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:18,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:38:18,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:18,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:38:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:38:18,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 23:38:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:19,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:19,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:38:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:19,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 23:38:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:19,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:19,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:19,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:19,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:19,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:19,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:38:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:38:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:19,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 23:38:19,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644696878] [2020-10-14 23:38:19,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:19,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 23:38:19,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654387391] [2020-10-14 23:38:19,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 23:38:19,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:19,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 23:38:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2020-10-14 23:38:19,134 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. Second operand 25 states. [2020-10-14 23:38:20,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:20,281 INFO L93 Difference]: Finished difference Result 113 states and 134 transitions. [2020-10-14 23:38:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 23:38:20,281 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 69 [2020-10-14 23:38:20,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:20,283 INFO L225 Difference]: With dead ends: 113 [2020-10-14 23:38:20,284 INFO L226 Difference]: Without dead ends: 97 [2020-10-14 23:38:20,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=299, Invalid=1681, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 23:38:20,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-14 23:38:20,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 81. [2020-10-14 23:38:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 23:38:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2020-10-14 23:38:20,294 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 69 [2020-10-14 23:38:20,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:20,294 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2020-10-14 23:38:20,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 23:38:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2020-10-14 23:38:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 23:38:20,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:20,296 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:20,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 23:38:20,296 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:20,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:20,296 INFO L82 PathProgramCache]: Analyzing trace with hash 2055631537, now seen corresponding path program 5 times [2020-10-14 23:38:20,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:20,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694112405] [2020-10-14 23:38:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:20,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:20,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:20,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:21,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 23:38:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:25,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:25,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:38:25,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:25,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:25,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 23:38:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 23:38:25,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-14 23:38:25,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:38:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 23:38:25,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 23:38:25,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:25,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:38:25,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:25,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:25,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:25,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:38:25,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:25,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:25,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 23:38:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:25,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:38:25,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:25,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:25,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:38:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:25,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:38:25,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:25,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:25,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:25,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 23:38:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:25,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:38:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:38:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 23:38:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:25,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:25,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:25,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:25,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:25,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:38:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 23:38:25,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694112405] [2020-10-14 23:38:25,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:25,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 23:38:25,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035162216] [2020-10-14 23:38:25,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 23:38:25,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:25,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 23:38:25,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-14 23:38:25,766 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand 12 states. [2020-10-14 23:38:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:26,241 INFO L93 Difference]: Finished difference Result 131 states and 153 transitions. [2020-10-14 23:38:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 23:38:26,246 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2020-10-14 23:38:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:26,247 INFO L225 Difference]: With dead ends: 131 [2020-10-14 23:38:26,248 INFO L226 Difference]: Without dead ends: 110 [2020-10-14 23:38:26,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-10-14 23:38:26,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-14 23:38:26,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 84. [2020-10-14 23:38:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-14 23:38:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions. [2020-10-14 23:38:26,271 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 99 transitions. Word has length 69 [2020-10-14 23:38:26,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:26,272 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 99 transitions. [2020-10-14 23:38:26,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 23:38:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2020-10-14 23:38:26,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-14 23:38:26,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:26,275 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:26,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 23:38:26,275 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:26,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:26,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1258476015, now seen corresponding path program 1 times [2020-10-14 23:38:26,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:26,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534873014] [2020-10-14 23:38:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:26,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:26,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:26,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:27,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:28,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:28,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:28,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:29,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:30,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:31,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:31,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:31,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-14 23:38:31,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 23:38:31,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5165 [2020-10-14 23:38:31,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:31,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 23:38:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:38:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 23:38:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:31,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:31,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:31,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:31,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:31,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:31,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:31,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:31,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:31,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:31,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:31,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:31,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:32,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:32,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:32,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:38:32,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:38:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-14 23:38:32,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:32,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 23:38:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:38:32,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:32,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:32,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:32,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:32,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:38:32,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:32,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:32,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:38:32,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:32,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:38:32,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:32,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:32,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:32,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:32,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:32,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:32,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:38:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:32,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:32,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:32,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:32,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:32,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:38:32,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:32,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:38:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:38:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:32,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:38:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:32,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:32,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:32,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:32,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 23:38:32,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:32,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:38:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:38:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:38:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:33,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 23:38:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:33,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:33,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:33,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:33,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:38:33,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:33,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:33,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:33,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 23:38:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:33,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:33,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:38:33,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:33,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:38:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:38:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 23:38:33,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534873014] [2020-10-14 23:38:33,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:33,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 23:38:33,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768580770] [2020-10-14 23:38:33,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 23:38:33,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:33,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 23:38:33,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2020-10-14 23:38:33,394 INFO L87 Difference]: Start difference. First operand 84 states and 99 transitions. Second operand 30 states. [2020-10-14 23:38:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:35,428 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2020-10-14 23:38:35,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 23:38:35,432 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 70 [2020-10-14 23:38:35,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:35,433 INFO L225 Difference]: With dead ends: 100 [2020-10-14 23:38:35,433 INFO L226 Difference]: Without dead ends: 98 [2020-10-14 23:38:35,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=228, Invalid=2424, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 23:38:35,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-14 23:38:35,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 93. [2020-10-14 23:38:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-14 23:38:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 112 transitions. [2020-10-14 23:38:35,451 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 112 transitions. Word has length 70 [2020-10-14 23:38:35,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:35,452 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 112 transitions. [2020-10-14 23:38:35,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 23:38:35,452 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2020-10-14 23:38:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 23:38:35,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:35,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:35,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 23:38:35,455 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:35,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1984574320, now seen corresponding path program 2 times [2020-10-14 23:38:35,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:35,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600024267] [2020-10-14 23:38:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:35,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:35,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:35,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:35,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:35,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:35,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:38,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:39,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 23:38:40,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 23:38:40,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 23:38:40,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:38:40,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:38:40,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 23:38:40,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:40,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:40,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:40,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:40,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:40,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:40,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:40,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:38:40,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:38:40,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 23:38:40,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:40,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:40,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:38:40,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:40,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:38:40,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:40,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:40,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:38:40,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:40,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:40,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:40,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 23:38:40,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:38:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:40,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:40,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:38:40,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 23:38:40,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 23:38:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:40,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:40,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:38:40,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:38:40,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:40,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 23:38:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:40,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:40,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:40,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:40,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 23:38:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:40,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:40,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:38:40,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:38:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:40,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:38:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:38:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:38:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 23:38:40,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600024267] [2020-10-14 23:38:40,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:38:40,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:38:40,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327800525] [2020-10-14 23:38:40,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:38:40,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:40,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:38:40,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:38:40,771 INFO L87 Difference]: Start difference. First operand 93 states and 112 transitions. Second operand 10 states. [2020-10-14 23:38:41,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:41,224 INFO L93 Difference]: Finished difference Result 118 states and 141 transitions. [2020-10-14 23:38:41,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:38:41,226 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-10-14 23:38:41,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:41,227 INFO L225 Difference]: With dead ends: 118 [2020-10-14 23:38:41,227 INFO L226 Difference]: Without dead ends: 68 [2020-10-14 23:38:41,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:38:41,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-14 23:38:41,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-14 23:38:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-14 23:38:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2020-10-14 23:38:41,241 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 71 [2020-10-14 23:38:41,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:41,241 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2020-10-14 23:38:41,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:38:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2020-10-14 23:38:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-14 23:38:41,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:38:41,243 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:38:41,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 23:38:41,243 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:38:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:38:41,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1060091641, now seen corresponding path program 6 times [2020-10-14 23:38:41,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:38:41,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493667940] [2020-10-14 23:38:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:38:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:41,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:41,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:41,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:41,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:42,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:42,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-14 23:38:46,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:38:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 23:38:46,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:38:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:38:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 23:38:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:38:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:38:46,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:46,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:46,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:46,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:46,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:46,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:38:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 23:38:46,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:38:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-14 23:38:46,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:46,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 23:38:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 23:38:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:46,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:38:46,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:46,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:46,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:46,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 23:38:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:46,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:38:46,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:46,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:46,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:46,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 23:38:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:46,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:46,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:46,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:38:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:46,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:38:46,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:46,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:46,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:46,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 23:38:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:46,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:38:46,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:38:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:38:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:38:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:46,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 23:38:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:38:46,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:38:46,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:38:46,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:38:46,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 23:38:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:38:46,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:38:46,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:38:46,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:38:46,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:38:46,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:38:46,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:38:46,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:38:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:38:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:38:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:38:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:38:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 23:38:46,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493667940] [2020-10-14 23:38:46,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:38:46,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 23:38:46,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188538502] [2020-10-14 23:38:46,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:38:46,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:38:46,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:38:46,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:38:46,652 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand 9 states. [2020-10-14 23:38:46,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:38:46,832 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2020-10-14 23:38:46,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 23:38:46,833 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2020-10-14 23:38:46,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:38:46,834 INFO L225 Difference]: With dead ends: 79 [2020-10-14 23:38:46,834 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 23:38:46,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 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 23:38:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 23:38:46,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 23:38:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 23:38:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 23:38:46,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2020-10-14 23:38:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:38:46,836 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 23:38:46,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:38:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 23:38:46,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 23:38:46,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 23:38:46,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 23:38:47,397 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2020-10-14 23:38:47,529 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-14 23:38:47,671 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2020-10-14 23:38:47,865 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2020-10-14 23:38:48,166 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2020-10-14 23:38:48,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:38:48,284 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 23:38:48,285 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:38:48,285 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-10-14 23:38:48,285 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-10-14 23:38:48,285 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-10-14 23:38:48,285 INFO L264 CegarLoopResult]: At program point dll_circular_destroyENTRY(lines 590 600) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-14 23:38:48,285 INFO L268 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-10-14 23:38:48,285 INFO L271 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point L593-3(lines 593 597) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point L591-2(lines 590 600) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point dll_circular_destroyEXIT(lines 590 600) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:38:48,286 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:38:48,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:38:48,287 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 23:38:48,287 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 23:38:48,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:38:48,287 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 615 634) no Hoare annotation was computed. [2020-10-14 23:38:48,287 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-14 23:38:48,287 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (let ((.cse4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ .cse5 8)))) (let ((.cse0 (or (< main_~len~0 2) (= (+ .cse4 1) (* main_~len~0 2)))) (.cse1 (<= main_~len~0 2)) (.cse3 (<= main_~s~0.offset .cse5)) (.cse2 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)))) (or (and .cse0 .cse1 (<= .cse2 main_~len~0) (<= .cse2 main_~expected~0) .cse3 (<= 0 main_~i~0) (<= main_~expected~0 .cse2) (<= (+ main_~i~0 2) .cse2)) (and .cse0 .cse1 (<= 2 main_~len~0) (= .cse4 main_~expected~0) (<= 1 main_~i~0) .cse3 (<= main_~len~0 .cse2) (<= main_~i~0 1)))))) [2020-10-14 23:38:48,287 INFO L268 CegarLoopResult]: For program point L626-1(line 626) no Hoare annotation was computed. [2020-10-14 23:38:48,288 INFO L268 CegarLoopResult]: For program point L626-2(lines 626 628) no Hoare annotation was computed. [2020-10-14 23:38:48,288 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (let ((.cse0 (<= main_~len~0 2)) (.cse1 (<= main_~s~0.offset (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse2 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base)))) (or (and .cse0 .cse1 (<= 0 main_~i~0) (<= main_~new_data~0 main_~len~0) .cse2 (= main_~s~0.offset 0) (<= (+ main_~i~0 2) main_~new_data~0)) (let ((.cse4 (+ main_~i~0 main_~len~0)) (.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)))) (and (<= 2 main_~len~0) .cse0 (<= 1 main_~i~0) (<= .cse3 main_~len~0) .cse1 (= .cse4 main_~new_data~0) (<= .cse4 (+ .cse3 1)) .cse2)))) [2020-10-14 23:38:48,288 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 629) no Hoare annotation was computed. [2020-10-14 23:38:48,288 INFO L268 CegarLoopResult]: For program point L622-1(lines 620 623) no Hoare annotation was computed. [2020-10-14 23:38:48,288 INFO L264 CegarLoopResult]: At program point L624-3(lines 624 629) the Hoare annotation is: (let ((.cse4 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (or (< main_~len~0 2) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ .cse4 8)) 1) (* main_~len~0 2)))) (.cse1 (<= main_~len~0 2)) (.cse3 (<= main_~s~0.offset .cse4)) (.cse2 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)))) (or (and .cse0 .cse1 (<= .cse2 main_~len~0) .cse3 (<= 0 main_~i~0) (<= (+ main_~i~0 2) .cse2)) (and .cse0 .cse1 (<= 2 main_~len~0) (<= main_~i~0 .cse2) (<= 1 main_~i~0) .cse3 (<= main_~len~0 .cse2))))) [2020-10-14 23:38:48,288 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 615 634) no Hoare annotation was computed. [2020-10-14 23:38:48,289 INFO L264 CegarLoopResult]: At program point L624-4(lines 624 629) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-14 23:38:48,289 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (and (= |#memory_$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$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:38:48,289 INFO L264 CegarLoopResult]: At program point L620-2(lines 620 623) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (.cse6 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)))) (let ((.cse0 (<= main_~len~0 2)) (.cse4 (<= .cse3 main_~len~0)) (.cse1 (<= main_~s~0.offset .cse6)) (.cse2 (not (= .cse5 main_~s~0.base)))) (or (and .cse0 (<= (+ main_~i~0 2) main_~len~0) .cse1 (<= 0 main_~i~0) .cse2 (= main_~s~0.offset 0)) (and (<= 2 main_~len~0) (<= main_~i~0 .cse3) .cse0 .cse4 (= (+ (select (select |#memory_int| .cse5) (+ .cse6 8)) 1) (* main_~len~0 2)) (<= main_~len~0 main_~i~0) .cse1) (and (<= (+ main_~i~0 1) main_~len~0) .cse0 (<= 1 main_~i~0) .cse4 .cse1 (<= (+ main_~i~0 main_~len~0) (+ .cse3 1)) .cse2)))) [2020-10-14 23:38:48,289 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-10-14 23:38:48,289 INFO L268 CegarLoopResult]: For program point L620-3(lines 620 623) no Hoare annotation was computed. [2020-10-14 23:38:48,289 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 632) no Hoare annotation was computed. [2020-10-14 23:38:48,289 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 615 634) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:38:48,290 INFO L264 CegarLoopResult]: At program point L627(lines 615 634) the Hoare annotation is: false [2020-10-14 23:38:48,290 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-10-14 23:38:48,290 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= dll_circular_create_~len |dll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:38:48,290 INFO L264 CegarLoopResult]: At program point L577-2(lines 577 585) the Hoare annotation is: (let ((.cse1 (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (.cse0 (= dll_circular_create_~head~0.offset 0))) (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~last~0.offset 0) .cse0 (= (select |#valid| dll_circular_create_~last~0.base) 1) .cse1) (let ((.cse2 (+ dll_circular_create_~head~0.offset 4))) (and (not (= dll_circular_create_~new_head~0.base dll_circular_create_~last~0.base)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| dll_circular_create_~last~0.base (store (select |#memory_$Pointer$.offset| dll_circular_create_~last~0.base) dll_circular_create_~last~0.offset dll_circular_create_~head~0.offset)) dll_circular_create_~head~0.base) .cse2 dll_circular_create_~last~0.offset) dll_circular_create_~head~0.offset)) (not .cse1) (not (= dll_circular_create_~new_head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset))) (<= 0 (select (select (store |#memory_$Pointer$.offset| dll_circular_create_~head~0.base (store (select |#memory_$Pointer$.offset| dll_circular_create_~head~0.base) .cse2 dll_circular_create_~new_head~0.offset)) dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset)) (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) (= dll_circular_create_~new_head~0.offset 0) .cse0 (not (= dll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset))))) (<= 3 |dll_circular_create_#in~len|))) [2020-10-14 23:38:48,290 INFO L268 CegarLoopResult]: For program point dll_circular_createEXIT(lines 574 589) no Hoare annotation was computed. [2020-10-14 23:38:48,290 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-10-14 23:38:48,290 INFO L268 CegarLoopResult]: For program point L577-3(lines 577 585) no Hoare annotation was computed. [2020-10-14 23:38:48,291 INFO L268 CegarLoopResult]: For program point dll_circular_createFINAL(lines 574 589) no Hoare annotation was computed. [2020-10-14 23:38:48,291 INFO L268 CegarLoopResult]: For program point L580(lines 580 582) no Hoare annotation was computed. [2020-10-14 23:38:48,291 INFO L264 CegarLoopResult]: At program point dll_circular_createENTRY(lines 574 589) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:38:48,291 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~last~0.offset 0) (= dll_circular_create_~head~0.offset 0) (= (select |#valid| dll_circular_create_~last~0.base) 1) (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (<= 3 |dll_circular_create_#in~len|)) [2020-10-14 23:38:48,291 INFO L268 CegarLoopResult]: For program point L580-2(lines 580 582) no Hoare annotation was computed. [2020-10-14 23:38:48,291 INFO L264 CegarLoopResult]: At program point L609-2(lines 609 612) the Hoare annotation is: (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (<= (+ dll_circular_update_at_~index 1) |dll_circular_update_at_#in~index|)) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse4 (= |dll_circular_update_at_#in~data| dll_circular_update_at_~data))) (or (and .cse0 .cse1 .cse2 (<= 2 |dll_circular_update_at_#in~index|) .cse3 .cse4) (and .cse0 (= |dll_circular_update_at_#in~head.offset| dll_circular_update_at_~head.offset) .cse2 .cse3 (= dll_circular_update_at_~index |dll_circular_update_at_#in~index|) (= dll_circular_update_at_~head.base |dll_circular_update_at_#in~head.base|) .cse4) (and (= (select (select |old(#memory_$Pointer$.base)| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|) dll_circular_update_at_~head.base) .cse0 .cse1 (<= 1 |dll_circular_update_at_#in~index|) .cse2 (= dll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) .cse3 .cse4))) [2020-10-14 23:38:48,291 INFO L268 CegarLoopResult]: For program point L609-3(lines 609 612) no Hoare annotation was computed. [2020-10-14 23:38:48,291 INFO L268 CegarLoopResult]: For program point dll_circular_update_atFINAL(lines 608 614) no Hoare annotation was computed. [2020-10-14 23:38:48,291 INFO L268 CegarLoopResult]: For program point dll_circular_update_atEXIT(lines 608 614) no Hoare annotation was computed. [2020-10-14 23:38:48,291 INFO L264 CegarLoopResult]: At program point dll_circular_update_atENTRY(lines 608 614) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 23:38:48,291 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 564 573) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:38:48,292 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-10-14 23:38:48,292 INFO L271 CegarLoopResult]: At program point L567(line 567) the Hoare annotation is: true [2020-10-14 23:38:48,292 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-10-14 23:38:48,292 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-10-14 23:38:48,292 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-10-14 23:38:48,292 INFO L268 CegarLoopResult]: For program point dll_circular_get_data_atFINAL(lines 601 607) no Hoare annotation was computed. [2020-10-14 23:38:48,292 INFO L268 CegarLoopResult]: For program point dll_circular_get_data_atEXIT(lines 601 607) no Hoare annotation was computed. [2020-10-14 23:38:48,292 INFO L271 CegarLoopResult]: At program point dll_circular_get_data_atENTRY(lines 601 607) the Hoare annotation is: true [2020-10-14 23:38:48,292 INFO L264 CegarLoopResult]: At program point L602-2(lines 602 605) the Hoare annotation is: (let ((.cse0 (<= (+ dll_circular_get_data_at_~index 1) |dll_circular_get_data_at_#in~index|))) (or (and (= |dll_circular_get_data_at_#in~index| dll_circular_get_data_at_~index) (<= dll_circular_get_data_at_~head.offset |dll_circular_get_data_at_#in~head.offset|) (<= |dll_circular_get_data_at_#in~head.offset| dll_circular_get_data_at_~head.offset) (= |dll_circular_get_data_at_#in~head.base| dll_circular_get_data_at_~head.base)) (and .cse0 (<= 1 |dll_circular_get_data_at_#in~index|) (= (select (select |#memory_$Pointer$.base| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|) dll_circular_get_data_at_~head.base) (= dll_circular_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|))) (and .cse0 (<= 2 |dll_circular_get_data_at_#in~index|)))) [2020-10-14 23:38:48,292 INFO L268 CegarLoopResult]: For program point L602-3(lines 602 605) no Hoare annotation was computed. [2020-10-14 23:38:48,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:48 BoogieIcfgContainer [2020-10-14 23:38:48,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:38:48,361 INFO L168 Benchmark]: Toolchain (without parser) took 76016.59 ms. Allocated memory was 147.3 MB in the beginning and 1.1 GB in the end (delta: 986.7 MB). Free memory was 102.3 MB in the beginning and 179.5 MB in the end (delta: -77.3 MB). Peak memory consumption was 909.5 MB. Max. memory is 7.1 GB. [2020-10-14 23:38:48,362 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 23:38:48,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.15 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 169.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-10-14 23:38:48,364 INFO L168 Benchmark]: Boogie Preprocessor took 64.57 ms. Allocated memory is still 204.5 MB. Free memory was 169.4 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-10-14 23:38:48,365 INFO L168 Benchmark]: RCFGBuilder took 678.45 ms. Allocated memory is still 204.5 MB. Free memory was 166.4 MB in the beginning and 115.9 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. [2020-10-14 23:38:48,365 INFO L168 Benchmark]: TraceAbstraction took 74684.90 ms. Allocated memory was 204.5 MB in the beginning and 1.1 GB in the end (delta: 929.6 MB). Free memory was 115.9 MB in the beginning and 179.5 MB in the end (delta: -63.7 MB). Peak memory consumption was 865.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:38:48,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 584.15 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 169.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.57 ms. Allocated memory is still 204.5 MB. Free memory was 169.4 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 678.45 ms. Allocated memory is still 204.5 MB. Free memory was 166.4 MB in the beginning and 115.9 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 74684.90 ms. Allocated memory was 204.5 MB in the beginning and 1.1 GB in the end (delta: 929.6 MB). Free memory was 115.9 MB in the beginning and 179.5 MB in the end (delta: -63.7 MB). Peak memory consumption was 865.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 632]: 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: 609]: Loop Invariant [2020-10-14 23:38:48,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && index + 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 2 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && index == \old(index)) && head == head) && \old(data) == data)) || (((((((\old(#memory_$Pointer$)[head][head] == head && #memory_$Pointer$ == \old(#memory_$Pointer$)) && index + 1 <= \old(index)) && 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == #memory_$Pointer$[head][head]) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant [2020-10-14 23:38:48,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((len <= 2 && i + 2 <= len) && s <= #memory_$Pointer$[s][s]) && 0 <= i) && !(#memory_$Pointer$[s][s] == s)) && s == 0) || ((((((2 <= len && i <= unknown-#memory_int-unknown[s][s + 8]) && len <= 2) && unknown-#memory_int-unknown[s][s + 8] <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] + 1 == len * 2) && len <= i) && s <= #memory_$Pointer$[s][s])) || ((((((i + 1 <= len && len <= 2) && 1 <= i) && unknown-#memory_int-unknown[s][s + 8] <= len) && s <= #memory_$Pointer$[s][s]) && i + len <= unknown-#memory_int-unknown[s][s + 8] + 1) && !(#memory_$Pointer$[s][s] == s)) - InvariantResult [Line: 602]: Loop Invariant [2020-10-14 23:38:48,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((\old(index) == index && head <= head) && head <= head) && head == head) || (((index + 1 <= \old(index) && 1 <= \old(index)) && #memory_$Pointer$[head][head] == head) && head == #memory_$Pointer$[head][head])) || (index + 1 <= \old(index) && 2 <= \old(index)) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant [2020-10-14 23:38:48,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((len == \old(len) && last == 0) && head == 0) && \valid[last] == 1) && head == last) || ((((((((!(new_head == last) && 0 <= #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head + 4 := last][head]) && !(head == last)) && !(new_head == #memory_$Pointer$[new_head][new_head])) && 0 <= #memory_$Pointer$[head := #memory_$Pointer$[head][head + 4 := new_head]][new_head][new_head]) && len + 1 == \old(len)) && new_head == 0) && head == 0) && !(head == #memory_$Pointer$[head][head]))) || 3 <= \old(len) - InvariantResult [Line: 624]: Loop Invariant [2020-10-14 23:38:48,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:38:48,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:38:48,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:38:48,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:38:48,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((len < 2 || unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] + 1 == len * 2) && len <= 2) && unknown-#memory_int-unknown[s][s + 8] <= len) && s <= #memory_$Pointer$[s][s]) && 0 <= i) && i + 2 <= unknown-#memory_int-unknown[s][s + 8]) || (((((((len < 2 || unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] + 1 == len * 2) && len <= 2) && 2 <= len) && i <= unknown-#memory_int-unknown[s][s + 8]) && 1 <= i) && s <= #memory_$Pointer$[s][s]) && len <= unknown-#memory_int-unknown[s][s + 8]) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 73.1s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 640 SDtfs, 1014 SDslu, 3681 SDs, 0 SdLazy, 7952 SolverSat, 806 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2200 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 177 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 95 PreInvPairs, 157 NumberOfFragments, 856 HoareAnnotationTreeSize, 95 FomulaSimplifications, 40251 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 25 FomulaSimplificationsInter, 2496 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 58.2s InterpolantComputationTime, 921 NumberOfCodeBlocks, 921 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 905 ConstructedInterpolants, 0 QuantifiedInterpolants, 350052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 219/327 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...