/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=NARROWEST --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/sll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:40:10,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:40:10,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:40:10,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:40:10,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:40:10,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:40:10,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:40:10,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:40:10,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:40:10,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:40:10,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:40:10,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:40:10,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:40:10,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:40:10,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:40:10,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:40:10,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:40:10,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:40:10,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:40:10,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:40:10,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:40:10,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:40:10,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:40:10,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:40:10,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:40:10,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:40:10,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:40:10,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:40:10,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:40:10,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:40:10,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:40:10,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:40:10,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:40:10,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:40:10,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:40:10,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:40:10,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:40:10,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:40:10,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:40:10,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:40:10,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:40:10,377 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 [2020-10-13 10:40:10,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:40:10,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:40:10,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:40:10,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:40:10,423 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:40:10,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:40:10,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:40:10,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:40:10,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:40:10,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:40:10,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:40:10,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:40:10,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:40:10,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:40:10,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:40:10,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:40:10,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:40:10,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:40:10,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:40:10,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:40:10,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:40:10,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:40:10,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:40:10,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:40:10,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:40:10,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:40:10,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:40:10,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:40:10,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:40:10,429 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:40:10,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:40:10,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:40:10,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:40:10,730 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:40:10,731 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:40:10,731 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-13 10:40:10,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78c4429b5/876487c6fa244fb2a21bc5ad7ebc2de2/FLAGb23fbb2bb [2020-10-13 10:40:11,364 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:40:11,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-13 10:40:11,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78c4429b5/876487c6fa244fb2a21bc5ad7ebc2de2/FLAGb23fbb2bb [2020-10-13 10:40:11,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78c4429b5/876487c6fa244fb2a21bc5ad7ebc2de2 [2020-10-13 10:40:11,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:40:11,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:40:11,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:40:11,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:40:11,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:40:11,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:40:11" (1/1) ... [2020-10-13 10:40:11,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68136748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:11, skipping insertion in model container [2020-10-13 10:40:11,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:40:11" (1/1) ... [2020-10-13 10:40:11,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:40:11,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:40:12,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:40:12,167 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:40:12,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:40:12,293 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:40:12,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12 WrapperNode [2020-10-13 10:40:12,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:40:12,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:40:12,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:40:12,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:40:12,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (1/1) ... [2020-10-13 10:40:12,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (1/1) ... [2020-10-13 10:40:12,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (1/1) ... [2020-10-13 10:40:12,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (1/1) ... [2020-10-13 10:40:12,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (1/1) ... [2020-10-13 10:40:12,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (1/1) ... [2020-10-13 10:40:12,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (1/1) ... [2020-10-13 10:40:12,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:40:12,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:40:12,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:40:12,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:40:12,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (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 [2020-10-13 10:40:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:40:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:40:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-13 10:40:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-13 10:40:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-13 10:40:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-13 10:40:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2020-10-13 10:40:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2020-10-13 10:40:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2020-10-13 10:40:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2020-10-13 10:40:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:40:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:40:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-13 10:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-13 10:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-13 10:40:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-13 10:40:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-13 10:40:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-13 10:40:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-13 10:40:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-13 10:40:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-13 10:40:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-13 10:40:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-13 10:40:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-13 10:40:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-13 10:40:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-13 10:40:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-13 10:40:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-13 10:40:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-13 10:40:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-13 10:40:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-13 10:40:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-13 10:40:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-13 10:40:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-13 10:40:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-13 10:40:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-13 10:40:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-13 10:40:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-13 10:40:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-13 10:40:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-13 10:40:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-13 10:40:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-13 10:40:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-13 10:40:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-13 10:40:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-13 10:40:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-13 10:40:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-13 10:40:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-13 10:40:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-13 10:40:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-13 10:40:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-13 10:40:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-13 10:40:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-13 10:40:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-13 10:40:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-13 10:40:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-13 10:40:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-13 10:40:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-13 10:40:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-13 10:40:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-13 10:40:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-13 10:40:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-13 10:40:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-13 10:40:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-13 10:40:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 10:40:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:40:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-13 10:40:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 10:40:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-13 10:40:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-13 10:40:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-13 10:40:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-13 10:40:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-13 10:40:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:40:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-13 10:40:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-13 10:40:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-13 10:40:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 10:40:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-13 10:40:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-13 10:40:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-13 10:40:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-13 10:40:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-13 10:40:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-13 10:40:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-13 10:40:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-13 10:40:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-13 10:40:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-13 10:40:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-13 10:40:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-13 10:40:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-13 10:40:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-13 10:40:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-13 10:40:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-13 10:40:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-13 10:40:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-13 10:40:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-13 10:40:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-13 10:40:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-13 10:40:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-13 10:40:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-13 10:40:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-13 10:40:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-13 10:40:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-13 10:40:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-13 10:40:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-13 10:40:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-13 10:40:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-13 10:40:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-13 10:40:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-13 10:40:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-13 10:40:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-13 10:40:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-13 10:40:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-13 10:40:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-13 10:40:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-13 10:40:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-13 10:40:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-13 10:40:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-13 10:40:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:40:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2020-10-13 10:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2020-10-13 10:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:40:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2020-10-13 10:40:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:40:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2020-10-13 10:40:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:40:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:40:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:40:12,848 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-13 10:40:13,077 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:40:13,077 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-13 10:40:13,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:40:13 BoogieIcfgContainer [2020-10-13 10:40:13,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:40:13,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:40:13,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:40:13,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:40:13,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:40:11" (1/3) ... [2020-10-13 10:40:13,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d42d921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:40:13, skipping insertion in model container [2020-10-13 10:40:13,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:40:12" (2/3) ... [2020-10-13 10:40:13,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d42d921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:40:13, skipping insertion in model container [2020-10-13 10:40:13,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:40:13" (3/3) ... [2020-10-13 10:40:13,091 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_update_all.i [2020-10-13 10:40:13,101 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:40:13,109 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:40:13,124 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:40:13,148 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:40:13,148 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:40:13,148 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:40:13,149 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:40:13,149 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:40:13,149 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:40:13,149 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:40:13,149 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:40:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2020-10-13 10:40:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-13 10:40:13,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:13,177 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] [2020-10-13 10:40:13,177 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:13,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1158667966, now seen corresponding path program 1 times [2020-10-13 10:40:13,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:13,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471353427] [2020-10-13 10:40:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:13,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:13,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 10:40:13,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:40:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-10-13 10:40:13,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 10:40:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:40:13,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:13,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:13,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:13,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:13,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:13,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:13,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:13,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:13,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:13,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:40:13,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 10:40:13,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 10:40:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:13,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:13,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:13,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:13,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:13,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:40:13,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:13,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:40:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:13,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:13,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:13,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:40:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:13,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:40:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:13,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:40:13,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471353427] [2020-10-13 10:40:13,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:40:13,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:40:13,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229832905] [2020-10-13 10:40:13,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:40:13,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:13,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:40:13,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:40:13,946 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2020-10-13 10:40:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:14,142 INFO L93 Difference]: Finished difference Result 99 states and 130 transitions. [2020-10-13 10:40:14,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 10:40:14,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-13 10:40:14,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:14,154 INFO L225 Difference]: With dead ends: 99 [2020-10-13 10:40:14,154 INFO L226 Difference]: Without dead ends: 43 [2020-10-13 10:40:14,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:40:14,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-13 10:40:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-13 10:40:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-13 10:40:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-13 10:40:14,207 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 32 [2020-10-13 10:40:14,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:14,209 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-13 10:40:14,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:40:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-13 10:40:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-13 10:40:14,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:14,212 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] [2020-10-13 10:40:14,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:40:14,212 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:14,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:14,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1470117915, now seen corresponding path program 1 times [2020-10-13 10:40:14,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:14,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20315807] [2020-10-13 10:40:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:14,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:14,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:14,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:14,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:14,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 10:40:14,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:40:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-13 10:40:14,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 10:40:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:40:14,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:14,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:14,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:14,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:14,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:14,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:14,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:14,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:14,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:14,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:14,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:15,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:40:15,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:40:15,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:15,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:15,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:15,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:15,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:15,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:15,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:40:15,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:15,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:15,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:40:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:15,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:15,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:15,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:15,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:15,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:40:15,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:15,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:15,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:15,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:15,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:40:15,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20315807] [2020-10-13 10:40:15,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:40:15,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 10:40:15,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367054697] [2020-10-13 10:40:15,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:40:15,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:15,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:40:15,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:40:15,066 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 7 states. [2020-10-13 10:40:15,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:15,327 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2020-10-13 10:40:15,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:40:15,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-10-13 10:40:15,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:15,331 INFO L225 Difference]: With dead ends: 67 [2020-10-13 10:40:15,331 INFO L226 Difference]: Without dead ends: 53 [2020-10-13 10:40:15,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:40:15,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-13 10:40:15,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-10-13 10:40:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-13 10:40:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2020-10-13 10:40:15,355 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 32 [2020-10-13 10:40:15,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:15,356 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2020-10-13 10:40:15,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:40:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2020-10-13 10:40:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-13 10:40:15,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:15,360 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] [2020-10-13 10:40:15,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:40:15,361 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:15,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:15,362 INFO L82 PathProgramCache]: Analyzing trace with hash 758093029, now seen corresponding path program 1 times [2020-10-13 10:40:15,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:15,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116840030] [2020-10-13 10:40:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:15,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:15,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:15,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:16,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:16,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:16,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:17,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:17,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 10:40:17,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:40:17,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2607 [2020-10-13 10:40:17,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:40:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:40:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:18,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:18,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:18,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:18,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:40:18,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:18,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:18,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:40:18,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:18,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 10:40:18,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:18,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:40:18,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:18,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:18,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:18,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:18,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:18,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 10:40:18,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:18,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:18,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:18,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 10:40:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:18,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:18,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:18,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:40:18,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:18,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:18,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:18,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:40:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:18,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:18,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:18,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:40:18,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:18,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:18,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 10:40:18,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116840030] [2020-10-13 10:40:18,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:40:18,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 10:40:18,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631255338] [2020-10-13 10:40:18,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:40:18,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:18,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:40:18,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:40:18,284 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 8 states. [2020-10-13 10:40:18,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:18,577 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2020-10-13 10:40:18,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:40:18,579 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-10-13 10:40:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:18,580 INFO L225 Difference]: With dead ends: 73 [2020-10-13 10:40:18,580 INFO L226 Difference]: Without dead ends: 47 [2020-10-13 10:40:18,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:40:18,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-13 10:40:18,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-10-13 10:40:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-13 10:40:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2020-10-13 10:40:18,601 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 40 [2020-10-13 10:40:18,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:18,603 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-10-13 10:40:18,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:40:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2020-10-13 10:40:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-13 10:40:18,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:18,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:18,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:40:18,606 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:18,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:18,606 INFO L82 PathProgramCache]: Analyzing trace with hash -121828803, now seen corresponding path program 1 times [2020-10-13 10:40:18,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:18,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081566011] [2020-10-13 10:40:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:18,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:19,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:19,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:21,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-13 10:40:21,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:40:21,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2552 [2020-10-13 10:40:21,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:40:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 10:40:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 10:40:21,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:21,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:21,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:21,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:21,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:21,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:21,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:21,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:21,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 10:40:21,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:21,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:21,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:21,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:21,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:21,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:21,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:21,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:21,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:21,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:21,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:21,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:40:21,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:21,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:21,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:21,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:21,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 10:40:21,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:40:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:21,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:40:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:21,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:21,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:21,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:21,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 10:40:21,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:40:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 10:40:21,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081566011] [2020-10-13 10:40:21,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:40:21,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-13 10:40:21,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897956411] [2020-10-13 10:40:21,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 10:40:21,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:21,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 10:40:21,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-10-13 10:40:21,707 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 17 states. [2020-10-13 10:40:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:22,538 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2020-10-13 10:40:22,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 10:40:22,539 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 48 [2020-10-13 10:40:22,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:22,542 INFO L225 Difference]: With dead ends: 69 [2020-10-13 10:40:22,542 INFO L226 Difference]: Without dead ends: 67 [2020-10-13 10:40:22,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2020-10-13 10:40:22,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-13 10:40:22,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-13 10:40:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-13 10:40:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2020-10-13 10:40:22,556 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 48 [2020-10-13 10:40:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:22,556 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2020-10-13 10:40:22,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 10:40:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2020-10-13 10:40:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-13 10:40:22,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:22,558 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:22,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:40:22,559 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:22,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1356998511, now seen corresponding path program 1 times [2020-10-13 10:40:22,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:22,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434269158] [2020-10-13 10:40:22,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:22,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:22,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:22,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:22,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:22,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:22,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:23,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:25,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:25,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:40:25,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:40:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3277 [2020-10-13 10:40:25,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-13 10:40:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:25,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:25,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:25,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:25,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:25,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:25,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:25,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:25,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:25,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:25,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:25,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:25,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:25,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:25,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:25,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:40:25,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:25,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:25,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:25,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:25,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:25,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:25,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:25,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:25,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:25,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:25,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:40:25,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:25,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:25,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:25,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:25,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:25,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:25,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:25,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:25,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:25,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:25,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:25,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:25,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:25,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:25,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:40:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:25,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:26,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:26,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:26,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:40:26,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:26,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:26,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 10:40:26,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434269158] [2020-10-13 10:40:26,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:26,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:40:26,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20032061] [2020-10-13 10:40:26,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:40:26,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:26,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:40:26,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:40:26,028 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand 8 states. [2020-10-13 10:40:26,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:26,273 INFO L93 Difference]: Finished difference Result 101 states and 123 transitions. [2020-10-13 10:40:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 10:40:26,275 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-10-13 10:40:26,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:26,277 INFO L225 Difference]: With dead ends: 101 [2020-10-13 10:40:26,277 INFO L226 Difference]: Without dead ends: 78 [2020-10-13 10:40:26,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:40:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-13 10:40:26,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2020-10-13 10:40:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-13 10:40:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2020-10-13 10:40:26,297 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 80 transitions. Word has length 49 [2020-10-13 10:40:26,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:26,297 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 80 transitions. [2020-10-13 10:40:26,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:40:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2020-10-13 10:40:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-13 10:40:26,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:26,299 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:40:26,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:40:26,300 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:26,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:26,301 INFO L82 PathProgramCache]: Analyzing trace with hash -659318812, now seen corresponding path program 1 times [2020-10-13 10:40:26,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:26,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546669494] [2020-10-13 10:40:26,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:26,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:26,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:27,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:27,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 10:40:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:40:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 730 [2020-10-13 10:40:27,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 10:40:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:27,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:27,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:27,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:27,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:27,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:27,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:27,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:27,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:27,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:27,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:27,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:40:27,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:27,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:27,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:27,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:27,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:27,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:27,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:27,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:27,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:27,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:27,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:27,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:27,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:27,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:27,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:27,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:27,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:27,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:27,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:27,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:27,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:27,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:40:27,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:40:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:27,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:27,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:27,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:27,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:27,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 10:40:27,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546669494] [2020-10-13 10:40:27,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:27,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:40:27,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280658546] [2020-10-13 10:40:27,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:40:27,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:27,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:40:27,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:40:27,219 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. Second operand 8 states. [2020-10-13 10:40:27,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:27,479 INFO L93 Difference]: Finished difference Result 120 states and 146 transitions. [2020-10-13 10:40:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:40:27,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-10-13 10:40:27,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:27,482 INFO L225 Difference]: With dead ends: 120 [2020-10-13 10:40:27,482 INFO L226 Difference]: Without dead ends: 77 [2020-10-13 10:40:27,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:40:27,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-13 10:40:27,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 68. [2020-10-13 10:40:27,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-13 10:40:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 82 transitions. [2020-10-13 10:40:27,502 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 82 transitions. Word has length 49 [2020-10-13 10:40:27,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:27,503 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 82 transitions. [2020-10-13 10:40:27,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:40:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2020-10-13 10:40:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-13 10:40:27,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:27,506 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] [2020-10-13 10:40:27,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 10:40:27,507 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:27,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:27,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1048390054, now seen corresponding path program 2 times [2020-10-13 10:40:27,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:27,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931728580] [2020-10-13 10:40:27,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:27,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:28,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:28,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 10:40:28,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-13 10:40:28,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-13 10:40:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 10:40:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 10:40:28,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:28,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:28,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:28,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:28,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:28,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:28,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:28,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:28,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:28,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:29,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:29,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:29,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:29,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-13 10:40:29,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 10:40:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 10:40:29,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:29,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:29,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:29,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 10:40:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:40:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:29,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:29,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:29,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:29,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 10:40:29,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:40:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:40:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:40:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:29,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:29,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:29,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:29,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:29,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:29,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 10:40:29,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:40:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:40:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:40:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:29,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:40:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:29,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:29,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:29,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:29,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:29,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 10:40:29,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:29,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:40:29,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:40:29,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:40:29,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:29,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:40:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:29,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:29,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:29,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:29,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:29,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 10:40:29,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:40:29,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:29,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:29,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-13 10:40:29,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931728580] [2020-10-13 10:40:29,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:29,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-13 10:40:29,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349541110] [2020-10-13 10:40:29,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-13 10:40:29,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:29,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-13 10:40:29,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2020-10-13 10:40:29,972 INFO L87 Difference]: Start difference. First operand 68 states and 82 transitions. Second operand 29 states. [2020-10-13 10:40:32,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:32,161 INFO L93 Difference]: Finished difference Result 120 states and 153 transitions. [2020-10-13 10:40:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-13 10:40:32,161 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 57 [2020-10-13 10:40:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:32,164 INFO L225 Difference]: With dead ends: 120 [2020-10-13 10:40:32,164 INFO L226 Difference]: Without dead ends: 118 [2020-10-13 10:40:32,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=215, Invalid=2137, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 10:40:32,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-13 10:40:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 91. [2020-10-13 10:40:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-13 10:40:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 115 transitions. [2020-10-13 10:40:32,182 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 115 transitions. Word has length 57 [2020-10-13 10:40:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:32,183 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 115 transitions. [2020-10-13 10:40:32,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-13 10:40:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2020-10-13 10:40:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-13 10:40:32,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:32,185 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] [2020-10-13 10:40:32,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 10:40:32,185 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:32,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:32,186 INFO L82 PathProgramCache]: Analyzing trace with hash 682053479, now seen corresponding path program 3 times [2020-10-13 10:40:32,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:32,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748728318] [2020-10-13 10:40:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:32,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:32,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 10:40:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:40:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2108 [2020-10-13 10:40:34,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:40:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 10:40:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:40:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:34,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:34,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:34,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:34,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:34,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:34,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:40:34,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:34,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:34,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:34,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:34,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:34,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:34,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:34,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:34,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:34,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:34,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:34,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:40:34,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:34,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:40:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:34,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:40:34,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:40:34,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:34,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:40:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:34,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 10:40:34,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748728318] [2020-10-13 10:40:34,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:34,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:40:34,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990306553] [2020-10-13 10:40:34,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:40:34,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:34,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:40:34,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:40:34,522 INFO L87 Difference]: Start difference. First operand 91 states and 115 transitions. Second operand 12 states. [2020-10-13 10:40:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:35,004 INFO L93 Difference]: Finished difference Result 164 states and 209 transitions. [2020-10-13 10:40:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:40:35,005 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2020-10-13 10:40:35,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:35,006 INFO L225 Difference]: With dead ends: 164 [2020-10-13 10:40:35,007 INFO L226 Difference]: Without dead ends: 117 [2020-10-13 10:40:35,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:40:35,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-13 10:40:35,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 94. [2020-10-13 10:40:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-13 10:40:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2020-10-13 10:40:35,024 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 58 [2020-10-13 10:40:35,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:35,024 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2020-10-13 10:40:35,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:40:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2020-10-13 10:40:35,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 10:40:35,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:35,026 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] [2020-10-13 10:40:35,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 10:40:35,026 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:35,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:35,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1856599846, now seen corresponding path program 1 times [2020-10-13 10:40:35,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:35,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045059261] [2020-10-13 10:40:35,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:35,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:35,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:36,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:36,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:36,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:37,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:38,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:38,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 10:40:40,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 10:40:40,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 10:40:40,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:40:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 10:40:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 10:40:40,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:40,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:40,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:40,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:40,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:40,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:40:40,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:40,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:40,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:40,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:40,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:40,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:40,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:40,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:40,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:40:40,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:40:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:40,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:40,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:40:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:40,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:40,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:40,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:40:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 10:40:40,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1045059261] [2020-10-13 10:40:40,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:40:40,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 10:40:40,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542026228] [2020-10-13 10:40:40,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:40:40,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:40,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:40:40,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:40:40,238 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand 12 states. [2020-10-13 10:40:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:40,636 INFO L93 Difference]: Finished difference Result 122 states and 148 transitions. [2020-10-13 10:40:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:40:40,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-10-13 10:40:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:40,638 INFO L225 Difference]: With dead ends: 122 [2020-10-13 10:40:40,638 INFO L226 Difference]: Without dead ends: 97 [2020-10-13 10:40:40,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:40:40,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-13 10:40:40,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 84. [2020-10-13 10:40:40,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-13 10:40:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions. [2020-10-13 10:40:40,663 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 103 transitions. Word has length 59 [2020-10-13 10:40:40,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:40,664 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 103 transitions. [2020-10-13 10:40:40,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:40:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2020-10-13 10:40:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 10:40:40,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:40,665 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] [2020-10-13 10:40:40,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 10:40:40,666 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:40,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:40,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1438596816, now seen corresponding path program 4 times [2020-10-13 10:40:40,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:40,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642929672] [2020-10-13 10:40:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:40,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:40,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:43,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:43,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:43,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 10:40:45,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:40:45,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 10:40:45,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 10:40:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:40:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:45,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:45,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:45,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:45,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:45,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:45,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:40:45,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:45,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:45,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:45,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:40:45,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:45,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:45,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:45,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:45,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:45,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:45,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:45,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:40:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:45,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:40:45,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:40:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:45,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:45,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:40:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:40:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:45,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:45,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:45,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 10:40:45,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642929672] [2020-10-13 10:40:45,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:45,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:40:45,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318282269] [2020-10-13 10:40:45,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:40:45,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:45,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:40:45,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:40:45,883 INFO L87 Difference]: Start difference. First operand 84 states and 103 transitions. Second operand 9 states. [2020-10-13 10:40:46,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:46,149 INFO L93 Difference]: Finished difference Result 127 states and 155 transitions. [2020-10-13 10:40:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:40:46,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-13 10:40:46,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:46,151 INFO L225 Difference]: With dead ends: 127 [2020-10-13 10:40:46,151 INFO L226 Difference]: Without dead ends: 89 [2020-10-13 10:40:46,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:40:46,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-13 10:40:46,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2020-10-13 10:40:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-13 10:40:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 100 transitions. [2020-10-13 10:40:46,163 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 100 transitions. Word has length 65 [2020-10-13 10:40:46,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:46,164 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 100 transitions. [2020-10-13 10:40:46,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:40:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2020-10-13 10:40:46,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 10:40:46,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:46,165 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-13 10:40:46,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 10:40:46,165 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:46,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:46,166 INFO L82 PathProgramCache]: Analyzing trace with hash 538164226, now seen corresponding path program 5 times [2020-10-13 10:40:46,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:46,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142734676] [2020-10-13 10:40:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:46,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:46,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:46,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:47,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 10:40:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:51,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:51,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:51,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:51,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 10:40:51,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 10:40:51,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 10:40:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:51,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:51,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:51,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:51,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:40:51,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:51,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 10:40:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:40:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:51,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:51,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:40:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:40:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:51,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:51,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:51,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:51,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:51,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-13 10:40:51,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142734676] [2020-10-13 10:40:51,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:51,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:40:51,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92270496] [2020-10-13 10:40:51,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:40:51,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:51,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:40:51,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:40:51,381 INFO L87 Difference]: Start difference. First operand 84 states and 100 transitions. Second operand 9 states. [2020-10-13 10:40:51,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:51,639 INFO L93 Difference]: Finished difference Result 121 states and 143 transitions. [2020-10-13 10:40:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:40:51,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-13 10:40:51,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:51,641 INFO L225 Difference]: With dead ends: 121 [2020-10-13 10:40:51,641 INFO L226 Difference]: Without dead ends: 72 [2020-10-13 10:40:51,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:40:51,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-13 10:40:51,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-13 10:40:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-13 10:40:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 83 transitions. [2020-10-13 10:40:51,651 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 83 transitions. Word has length 65 [2020-10-13 10:40:51,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:51,651 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 83 transitions. [2020-10-13 10:40:51,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:40:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2020-10-13 10:40:51,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-13 10:40:51,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:51,653 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 10:40:51,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 10:40:51,653 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:51,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:51,653 INFO L82 PathProgramCache]: Analyzing trace with hash 953440989, now seen corresponding path program 6 times [2020-10-13 10:40:51,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:51,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [423458301] [2020-10-13 10:40:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:51,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:51,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:52,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:52,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:53,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 10:40:56,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:40:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 10:40:56,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:40:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 10:40:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:40:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:56,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:56,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:56,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:40:56,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:56,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:56,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:56,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:56,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:56,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:56,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:40:56,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:40:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:40:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:40:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:56,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:40:56,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:40:56,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:40:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:56,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:56,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:56,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:56,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:56,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:56,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:40:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:56,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-13 10:40:56,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [423458301] [2020-10-13 10:40:56,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:40:56,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:40:56,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140139188] [2020-10-13 10:40:56,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:40:56,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:56,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:40:56,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:40:56,855 INFO L87 Difference]: Start difference. First operand 72 states and 83 transitions. Second operand 12 states. [2020-10-13 10:40:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:40:57,316 INFO L93 Difference]: Finished difference Result 109 states and 127 transitions. [2020-10-13 10:40:57,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 10:40:57,316 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 66 [2020-10-13 10:40:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:40:57,318 INFO L225 Difference]: With dead ends: 109 [2020-10-13 10:40:57,318 INFO L226 Difference]: Without dead ends: 74 [2020-10-13 10:40:57,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2020-10-13 10:40:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-13 10:40:57,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-13 10:40:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-13 10:40:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2020-10-13 10:40:57,329 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 66 [2020-10-13 10:40:57,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:40:57,329 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2020-10-13 10:40:57,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:40:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2020-10-13 10:40:57,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-13 10:40:57,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:40:57,330 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] [2020-10-13 10:40:57,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 10:40:57,331 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:40:57,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:40:57,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1770508517, now seen corresponding path program 1 times [2020-10-13 10:40:57,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:40:57,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451884573] [2020-10-13 10:40:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:40:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:57,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:57,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:57,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:57,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:58,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:58,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 10:40:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:40:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2226 [2020-10-13 10:40:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:40:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 10:40:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 10:40:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:59,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:40:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:40:59,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:40:59,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:59,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:59,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:40:59,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:40:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:40:59,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:40:59,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:59,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:59,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:40:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:59,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:40:59,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:59,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:59,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:40:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:59,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:59,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:59,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:59,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:40:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:59,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:59,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:40:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:40:59,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:40:59,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:40:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:40:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:59,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:40:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:59,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:40:59,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:40:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:40:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:59,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:59,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:40:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:40:59,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:40:59,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:40:59,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:40:59,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:40:59,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:40:59,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:40:59,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:40:59,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:40:59,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:40:59,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:40:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 10:40:59,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451884573] [2020-10-13 10:40:59,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:40:59,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 10:40:59,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411908352] [2020-10-13 10:40:59,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:40:59,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:40:59,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:40:59,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:40:59,772 INFO L87 Difference]: Start difference. First operand 74 states and 84 transitions. Second operand 9 states. [2020-10-13 10:41:00,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:41:00,047 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2020-10-13 10:41:00,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:41:00,047 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-10-13 10:41:00,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:41:00,048 INFO L225 Difference]: With dead ends: 95 [2020-10-13 10:41:00,049 INFO L226 Difference]: Without dead ends: 79 [2020-10-13 10:41:00,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:41:00,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-13 10:41:00,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2020-10-13 10:41:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-13 10:41:00,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2020-10-13 10:41:00,066 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 67 [2020-10-13 10:41:00,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:41:00,066 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2020-10-13 10:41:00,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:41:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2020-10-13 10:41:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-13 10:41:00,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:41:00,067 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-13 10:41:00,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 10:41:00,068 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:41:00,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:41:00,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1685693628, now seen corresponding path program 7 times [2020-10-13 10:41:00,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:41:00,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587477499] [2020-10-13 10:41:00,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:41:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:00,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:00,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:00,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:01,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 10:41:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:41:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3497 [2020-10-13 10:41:03,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:41:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:41:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 10:41:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:03,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:41:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:41:03,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:41:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:03,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:41:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:41:03,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 10:41:03,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:41:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:03,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 10:41:03,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:03,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:41:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:03,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:41:03,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:41:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:41:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:03,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:41:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:03,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:41:03,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:41:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:03,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:41:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:03,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:41:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:03,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:41:03,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:41:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:41:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:41:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:41:03,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:41:03,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:41:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:41:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:03,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:41:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:41:03,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:41:03,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:03,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 10:41:03,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:03,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:03,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:41:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:03,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:03,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:03,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:03,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:41:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:41:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 10:41:03,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587477499] [2020-10-13 10:41:03,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:41:03,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 10:41:03,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327220958] [2020-10-13 10:41:03,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 10:41:03,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:41:03,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 10:41:03,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:41:03,929 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand 13 states. [2020-10-13 10:41:04,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:41:04,528 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2020-10-13 10:41:04,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 10:41:04,529 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 67 [2020-10-13 10:41:04,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:41:04,530 INFO L225 Difference]: With dead ends: 98 [2020-10-13 10:41:04,530 INFO L226 Difference]: Without dead ends: 62 [2020-10-13 10:41:04,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-10-13 10:41:04,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-13 10:41:04,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-13 10:41:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-13 10:41:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-10-13 10:41:04,544 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 67 [2020-10-13 10:41:04,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:41:04,545 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-10-13 10:41:04,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 10:41:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-10-13 10:41:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 10:41:04,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:41:04,548 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] [2020-10-13 10:41:04,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 10:41:04,549 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:41:04,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:41:04,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1470883561, now seen corresponding path program 1 times [2020-10-13 10:41:04,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:41:04,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451848246] [2020-10-13 10:41:04,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:41:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:04,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:05,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:05,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:06,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:06,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:06,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:07,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:09,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:09,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 10:41:09,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:41:09,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 10:41:09,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 10:41:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 10:41:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 10:41:09,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:09,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:41:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:09,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:09,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:09,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:41:09,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:41:09,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:09,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:09,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:09,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:09,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:41:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:09,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:10,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:10,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:41:10,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 10:41:10,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:41:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 10:41:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:10,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:41:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:10,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:10,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:10,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:10,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:10,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:41:10,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:10,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:41:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:41:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:41:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:10,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:10,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:10,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:10,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:41:10,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:10,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:41:10,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:41:10,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:41:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:10,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:10,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:10,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 10:41:10,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:41:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:41:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:41:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:10,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:41:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:10,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:10,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:41:10,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:10,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 10:41:10,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:41:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:41:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:41:10,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:10,910 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2020-10-13 10:41:10,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:41:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:10,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:10,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:10,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:41:10,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:41:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:41:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:10,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:41:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:10,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:10,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:10,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:41:10,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:41:10,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:10,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:41:10,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:10,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:41:10,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 10:41:11,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451848246] [2020-10-13 10:41:11,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:41:11,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-13 10:41:11,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968978415] [2020-10-13 10:41:11,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-13 10:41:11,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:41:11,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-13 10:41:11,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2020-10-13 10:41:11,090 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 30 states. [2020-10-13 10:41:12,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:41:12,956 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2020-10-13 10:41:12,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 10:41:12,959 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 68 [2020-10-13 10:41:12,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:41:12,960 INFO L225 Difference]: With dead ends: 79 [2020-10-13 10:41:12,960 INFO L226 Difference]: Without dead ends: 77 [2020-10-13 10:41:12,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=188, Invalid=2068, Unknown=0, NotChecked=0, Total=2256 [2020-10-13 10:41:12,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-13 10:41:12,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2020-10-13 10:41:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-13 10:41:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2020-10-13 10:41:12,974 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 68 [2020-10-13 10:41:12,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:41:12,975 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2020-10-13 10:41:12,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-13 10:41:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2020-10-13 10:41:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-13 10:41:12,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:41:12,976 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] [2020-10-13 10:41:12,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 10:41:12,976 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:41:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:41:12,978 INFO L82 PathProgramCache]: Analyzing trace with hash 772444517, now seen corresponding path program 2 times [2020-10-13 10:41:12,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:41:12,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135253734] [2020-10-13 10:41:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:41:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:13,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:13,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:13,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:13,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:13,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:13,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:13,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:15,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:16,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:16,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:16,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:41:18,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 10:41:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 10:41:18,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:41:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 10:41:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:41:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:41:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:41:18,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:41:18,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:18,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:18,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:41:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:41:18,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:41:18,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:41:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:18,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:41:18,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:18,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:41:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:18,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:41:18,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:18,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:41:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:18,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:41:18,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:18,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:41:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:41:18,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:41:18,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:41:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:18,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:41:18,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:41:18,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:18,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:41:18,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:41:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:18,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:41:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:18,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:41:18,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:18,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:41:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:41:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:41:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:41:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 10:41:18,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135253734] [2020-10-13 10:41:18,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:41:18,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:41:18,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544471422] [2020-10-13 10:41:18,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:41:18,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:41:18,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:41:18,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:41:18,231 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand 12 states. [2020-10-13 10:41:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:41:18,599 INFO L93 Difference]: Finished difference Result 94 states and 104 transitions. [2020-10-13 10:41:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 10:41:18,600 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2020-10-13 10:41:18,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:41:18,601 INFO L225 Difference]: With dead ends: 94 [2020-10-13 10:41:18,603 INFO L226 Difference]: Without dead ends: 74 [2020-10-13 10:41:18,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-10-13 10:41:18,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-13 10:41:18,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2020-10-13 10:41:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-13 10:41:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2020-10-13 10:41:18,616 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 69 [2020-10-13 10:41:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:41:18,617 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2020-10-13 10:41:18,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:41:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2020-10-13 10:41:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-13 10:41:18,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:41:18,618 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 10:41:18,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 10:41:18,619 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:41:18,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:41:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash -462145798, now seen corresponding path program 3 times [2020-10-13 10:41:18,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:41:18,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300455773] [2020-10-13 10:41:18,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:41:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:18,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:18,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:19,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:19,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:19,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:19,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:20,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:20,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:20,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:20,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:20,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:20,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:21,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:21,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-13 10:41:23,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 10:41:23,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 10:41:23,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:41:23,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 10:41:23,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 10:41:23,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:41:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:41:23,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:41:23,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:41:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 10:41:23,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:41:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:41:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:23,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:41:23,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:23,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:41:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:23,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:41:23,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:41:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:23,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:41:23,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:41:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:41:23,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:41:23,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:41:23,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:41:23,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:41:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:41:23,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:41:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:41:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:41:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:41:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:41:23,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:41:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:41:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:41:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:41:23,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:41:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:41:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:41:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:41:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:41:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 10:41:23,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300455773] [2020-10-13 10:41:23,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:41:23,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 10:41:23,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640003881] [2020-10-13 10:41:23,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 10:41:23,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:41:23,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 10:41:23,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-13 10:41:23,865 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand 15 states. [2020-10-13 10:41:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:41:24,413 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2020-10-13 10:41:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 10:41:24,414 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 79 [2020-10-13 10:41:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:41:24,415 INFO L225 Difference]: With dead ends: 88 [2020-10-13 10:41:24,415 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 10:41:24,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2020-10-13 10:41:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 10:41:24,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 10:41:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 10:41:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 10:41:24,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2020-10-13 10:41:24,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:41:24,417 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 10:41:24,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 10:41:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 10:41:24,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 10:41:24,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 10:41:24,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 10:41:24,913 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-10-13 10:41:25,044 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-13 10:41:25,429 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-10-13 10:41:25,546 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-13 10:41:25,607 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:41:25,608 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|)) [2020-10-13 10:41:25,608 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:41:25,608 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-10-13 10:41:25,608 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-10-13 10:41:25,608 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-10-13 10:41:25,608 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-10-13 10:41:25,608 INFO L271 CegarLoopResult]: At program point sll_circular_get_data_atENTRY(lines 595 601) the Hoare annotation is: true [2020-10-13 10:41:25,609 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse1 (= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|))) (and (let ((.cse0 (<= (+ sll_circular_get_data_at_~index 1) |sll_circular_get_data_at_#in~index|))) (or (and (<= 2 |sll_circular_get_data_at_#in~index|) .cse0) (and (= (select (select |#memory_$Pointer$.offset| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.base) .cse0) (and (= sll_circular_get_data_at_~head.offset |sll_circular_get_data_at_#in~head.offset|) .cse1 (= |sll_circular_get_data_at_#in~head.base| sll_circular_get_data_at_~head.base)))) (or .cse1 (<= 1 |sll_circular_get_data_at_#in~index|)))) [2020-10-13 10:41:25,609 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-10-13 10:41:25,609 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-10-13 10:41:25,609 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:41:25,609 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:41:25,609 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:41:25,609 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:41:25,610 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:41:25,610 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:41:25,610 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (and (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base) (<= sll_circular_create_~head~0.offset 0) (= sll_circular_create_~last~0.offset 0) (<= 0 sll_circular_create_~head~0.offset) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (not (<= |sll_circular_create_#in~len| 2))) [2020-10-13 10:41:25,610 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-10-13 10:41:25,610 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (or (not (<= |sll_circular_create_#in~len| 2)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= |old(#valid)| |#valid|))) [2020-10-13 10:41:25,610 INFO L264 CegarLoopResult]: At program point L575-2(lines 575 580) the Hoare annotation is: (let ((.cse1 (<= sll_circular_create_~head~0.offset 0)) (.cse2 (<= 0 sll_circular_create_~head~0.offset)) (.cse0 (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base))) (or (and .cse0 .cse1 (= sll_circular_create_~last~0.offset 0) .cse2 (= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (not (<= |sll_circular_create_#in~len| 2)) (let ((.cse3 (select (select |#memory_$Pointer$.offset| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) sll_circular_create_~head~0.base)) (<= 0 .cse3) .cse1 (= |sll_circular_create_#in~len| (+ sll_circular_create_~len 1)) .cse2 (<= .cse3 0) (not .cse0) (= sll_circular_create_~head~0.offset sll_circular_create_~last~0.offset))))) [2020-10-13 10:41:25,611 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-10-13 10:41:25,611 INFO L268 CegarLoopResult]: For program point L575-3(lines 575 580) no Hoare annotation was computed. [2020-10-13 10:41:25,611 INFO L264 CegarLoopResult]: At program point sll_circular_createENTRY(lines 572 583) the Hoare annotation is: (or (not (<= |sll_circular_create_#in~len| 2)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-13 10:41:25,611 INFO L268 CegarLoopResult]: For program point sll_circular_createFINAL(lines 572 583) no Hoare annotation was computed. [2020-10-13 10:41:25,611 INFO L268 CegarLoopResult]: For program point sll_circular_createEXIT(lines 572 583) no Hoare annotation was computed. [2020-10-13 10:41:25,611 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:41:25,611 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 10:41:25,611 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 10:41:25,612 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:41:25,612 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 609 628) no Hoare annotation was computed. [2020-10-13 10:41:25,612 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-10-13 10:41:25,612 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 609 628) no Hoare annotation was computed. [2020-10-13 10:41:25,612 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (+ main_~i~0 main_~len~0)) (.cse4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)))) (or (let ((.cse0 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and (<= .cse0 main_~expected~0) .cse1 .cse2 (<= main_~expected~0 .cse0) (<= 0 main_~i~0) (<= .cse3 .cse0) (<= .cse0 main_~len~0) (= (+ main_~i~0 main_~len~0 1) .cse4))) (and .cse1 .cse2 (= (+ main_~len~0 1) .cse4) (= main_~expected~0 .cse4) (= .cse3 .cse4)))) [2020-10-13 10:41:25,612 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-10-13 10:41:25,612 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 622) no Hoare annotation was computed. [2020-10-13 10:41:25,613 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (<= main_~len~0 2)) (.cse1 (<= 2 main_~len~0)) (.cse3 (<= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse4 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base)))) (or (let ((.cse2 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and .cse0 .cse1 (<= 1 main_~i~0) (<= main_~len~0 .cse2) .cse3 (<= main_~new_data~0 (+ main_~len~0 1)) (<= .cse2 main_~len~0) .cse4)) (let ((.cse5 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (and .cse0 .cse1 (<= main_~s~0.offset .cse5) (<= 0 main_~i~0) .cse3 (<= main_~new_data~0 main_~len~0) .cse4 (<= .cse5 main_~s~0.offset))))) [2020-10-13 10:41:25,613 INFO L268 CegarLoopResult]: For program point L618-2(lines 618 623) no Hoare annotation was computed. [2020-10-13 10:41:25,613 INFO L268 CegarLoopResult]: For program point L616-1(lines 614 617) no Hoare annotation was computed. [2020-10-13 10:41:25,613 INFO L264 CegarLoopResult]: At program point L618-3(lines 618 623) the Hoare annotation is: (let ((.cse5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)))) (let ((.cse3 (= (+ main_~len~0 1) .cse5)) (.cse0 (<= main_~len~0 main_~i~0)) (.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse4 (+ main_~i~0 main_~len~0))) (or (and (<= main_~i~0 0) .cse0) (and .cse1 .cse2 .cse3 (= .cse4 .cse5)) (and .cse2 .cse3 .cse0 (<= main_~i~0 2)) (let ((.cse6 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and .cse1 .cse2 (<= 0 main_~i~0) (<= .cse4 .cse6) (<= .cse6 main_~len~0) (= (+ main_~i~0 main_~len~0 1) .cse5)))))) [2020-10-13 10:41:25,613 INFO L271 CegarLoopResult]: At program point L618-4(lines 618 623) the Hoare annotation is: true [2020-10-13 10:41:25,613 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (and (= |#memory_$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$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:41:25,614 INFO L264 CegarLoopResult]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (.cse7 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (let ((.cse2 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (.cse5 (<= main_~len~0 2)) (.cse0 (<= 2 main_~len~0)) (.cse3 (<= main_~len~0 .cse7)) (.cse4 (<= .cse7 main_~len~0)) (.cse6 (not (= .cse1 main_~s~0.base)))) (or (and .cse0 (= (+ main_~len~0 1) (select (select |#memory_int| .cse1) (+ .cse2 4))) .cse3 (<= main_~len~0 main_~i~0) (<= main_~i~0 2) .cse4) (and (<= main_~i~0 0) .cse5 .cse0 (<= main_~s~0.offset .cse2) (<= 0 main_~i~0) .cse6 (<= .cse2 main_~s~0.offset)) (and .cse5 .cse0 (<= main_~len~0 main_~new_data~0) (<= 1 main_~i~0) .cse3 .cse4 (<= main_~new_data~0 main_~len~0) .cse6 (<= main_~i~0 1))))) [2020-10-13 10:41:25,614 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-10-13 10:41:25,614 INFO L268 CegarLoopResult]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2020-10-13 10:41:25,614 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 626) no Hoare annotation was computed. [2020-10-13 10:41:25,614 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 609 628) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:41:25,615 INFO L264 CegarLoopResult]: At program point L621(lines 609 628) the Hoare annotation is: false [2020-10-13 10:41:25,615 INFO L264 CegarLoopResult]: At program point sll_circular_destroyENTRY(lines 584 594) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-13 10:41:25,615 INFO L268 CegarLoopResult]: For program point sll_circular_destroyEXIT(lines 584 594) no Hoare annotation was computed. [2020-10-13 10:41:25,615 INFO L268 CegarLoopResult]: For program point L585(lines 585 593) no Hoare annotation was computed. [2020-10-13 10:41:25,615 INFO L271 CegarLoopResult]: At program point L587-2(lines 587 591) the Hoare annotation is: true [2020-10-13 10:41:25,615 INFO L268 CegarLoopResult]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2020-10-13 10:41:25,615 INFO L268 CegarLoopResult]: For program point L585-2(lines 584 594) no Hoare annotation was computed. [2020-10-13 10:41:25,615 INFO L268 CegarLoopResult]: For program point sll_circular_update_atEXIT(lines 602 608) no Hoare annotation was computed. [2020-10-13 10:41:25,615 INFO L264 CegarLoopResult]: At program point sll_circular_update_atENTRY(lines 602 608) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (<= |sll_circular_update_at_#in~index| 1))) [2020-10-13 10:41:25,616 INFO L268 CegarLoopResult]: For program point sll_circular_update_atFINAL(lines 602 608) no Hoare annotation was computed. [2020-10-13 10:41:25,616 INFO L264 CegarLoopResult]: At program point L603-2(lines 603 606) the Hoare annotation is: (let ((.cse5 (= |sll_circular_update_at_#in~index| sll_circular_update_at_~index))) (and (let ((.cse1 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse4 (= |sll_circular_update_at_#in~data| sll_circular_update_at_~data))) (or (let ((.cse0 (+ sll_circular_update_at_~index 1))) (and (<= |sll_circular_update_at_#in~index| .cse0) .cse1 (= (select (select |old(#memory_$Pointer$.base)| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|) sll_circular_update_at_~head.base) (= sll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|)) .cse2 (<= .cse0 |sll_circular_update_at_#in~index|) .cse3 .cse4)) (not (<= |sll_circular_update_at_#in~index| 1)) (and .cse1 .cse5 (= |sll_circular_update_at_#in~head.base| sll_circular_update_at_~head.base) .cse2 (= sll_circular_update_at_~head.offset |sll_circular_update_at_#in~head.offset|) .cse3 .cse4))) (or .cse5 (not (<= |sll_circular_update_at_#in~index| 0))))) [2020-10-13 10:41:25,616 INFO L268 CegarLoopResult]: For program point L603-3(lines 603 606) no Hoare annotation was computed. [2020-10-13 10:41:25,616 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:41:25,616 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-10-13 10:41:25,616 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-10-13 10:41:25,616 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-10-13 10:41:25,616 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-10-13 10:41:25,617 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-10-13 10:41:25,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,651 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,651 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:41:25 BoogieIcfgContainer [2020-10-13 10:41:25,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:41:25,680 INFO L168 Benchmark]: Toolchain (without parser) took 74034.64 ms. Allocated memory was 140.5 MB in the beginning and 1.0 GB in the end (delta: 881.9 MB). Free memory was 100.8 MB in the beginning and 696.5 MB in the end (delta: -595.6 MB). Peak memory consumption was 286.2 MB. Max. memory is 7.1 GB. [2020-10-13 10:41:25,681 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-13 10:41:25,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.40 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 168.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-13 10:41:25,682 INFO L168 Benchmark]: Boogie Preprocessor took 85.28 ms. Allocated memory is still 203.9 MB. Free memory was 168.7 MB in the beginning and 165.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-13 10:41:25,683 INFO L168 Benchmark]: RCFGBuilder took 701.79 ms. Allocated memory is still 203.9 MB. Free memory was 165.8 MB in the beginning and 117.0 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:41:25,683 INFO L168 Benchmark]: TraceAbstraction took 72594.89 ms. Allocated memory was 203.9 MB in the beginning and 1.0 GB in the end (delta: 818.4 MB). Free memory was 116.0 MB in the beginning and 696.5 MB in the end (delta: -580.4 MB). Peak memory consumption was 238.0 MB. Max. memory is 7.1 GB. [2020-10-13 10:41:25,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.40 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 168.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.28 ms. Allocated memory is still 203.9 MB. Free memory was 168.7 MB in the beginning and 165.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 701.79 ms. Allocated memory is still 203.9 MB. Free memory was 165.8 MB in the beginning and 117.0 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 72594.89 ms. Allocated memory was 203.9 MB in the beginning and 1.0 GB in the end (delta: 818.4 MB). Free memory was 116.0 MB in the beginning and 696.5 MB in the end (delta: -580.4 MB). Peak memory consumption was 238.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - 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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 626]: 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: 575]: Loop Invariant [2020-10-13 10:41:25,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((head == last && head <= 0) && last == 0) && 0 <= head) && \old(len) == len) && \valid[last] == 1) || !(\old(len) <= 2)) || (((((((!(#memory_$Pointer$[head][head] == head) && 0 <= #memory_$Pointer$[head][head]) && head <= 0) && \old(len) == len + 1) && 0 <= head) && #memory_$Pointer$[head][head] <= 0) && !(head == last)) && head == last) - InvariantResult [Line: 614]: Loop Invariant [2020-10-13 10:41:25,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,706 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,707 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,707 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,707 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,707 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,708 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((2 <= len && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && len <= unknown-#memory_int-unknown[s][s + 4]) && len <= i) && i <= 2) && unknown-#memory_int-unknown[s][s + 4] <= len) || ((((((i <= 0 && len <= 2) && 2 <= len) && s <= #memory_$Pointer$[s][s]) && 0 <= i) && !(#memory_$Pointer$[s][s] == s)) && #memory_$Pointer$[s][s] <= s)) || ((((((((len <= 2 && 2 <= len) && len <= new_data) && 1 <= i) && len <= unknown-#memory_int-unknown[s][s + 4]) && unknown-#memory_int-unknown[s][s + 4] <= len) && new_data <= len) && !(#memory_$Pointer$[s][s] == s)) && i <= 1) - InvariantResult [Line: 596]: Loop Invariant [2020-10-13 10:41:25,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= \old(index) && index + 1 <= \old(index)) || ((#memory_$Pointer$[head][head] == head && #memory_$Pointer$[head][head] == head) && index + 1 <= \old(index))) || ((head == head && index == \old(index)) && head == head)) && (index == \old(index) || 1 <= \old(index)) - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant [2020-10-13 10:41:25,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((\old(index) <= index + 1 && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(#memory_$Pointer$)[head][head] == head) && head == #memory_$Pointer$[head][head]) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data) || !(\old(index) <= 1)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(index) == index) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data)) && (\old(index) == index || !(\old(index) <= 0)) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant [2020-10-13 10:41:25,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:41:25,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:41:25,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:41:25,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:41:25,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((i <= 0 && len <= i) || (((len <= 2 && 2 <= len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && i + len == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4])) || (((2 <= len && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && len <= i) && i <= 2)) || (((((len <= 2 && 2 <= len) && 0 <= i) && i + len <= unknown-#memory_int-unknown[s][s + 4]) && unknown-#memory_int-unknown[s][s + 4] <= len) && i + len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.2s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 645 SDtfs, 932 SDslu, 2725 SDs, 0 SdLazy, 5535 SolverSat, 630 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 530 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 115 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 109 PreInvPairs, 151 NumberOfFragments, 828 HoareAnnotationTreeSize, 109 FomulaSimplifications, 2355 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 978 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 60.2s InterpolantComputationTime, 970 NumberOfCodeBlocks, 970 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 953 ConstructedInterpolants, 0 QuantifiedInterpolants, 265407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 280/375 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...