/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/dll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:37:33,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:37:33,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:37:33,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:37:33,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:37:33,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:37:33,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:37:33,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:37:33,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:37:33,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:37:33,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:37:33,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:37:33,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:37:33,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:37:33,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:37:33,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:37:33,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:37:33,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:37:33,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:37:33,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:37:33,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:37:33,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:37:33,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:37:33,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:37:33,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:37:33,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:37:33,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:37:33,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:37:33,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:37:33,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:37:33,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:37:33,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:37:33,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:37:33,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:37:33,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:37:33,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:37:33,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:37:33,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:37:33,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:37:33,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:37:33,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:37:33,562 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 10:37:33,585 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:37:33,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:37:33,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:37:33,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:37:33,587 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:37:33,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:37:33,587 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:37:33,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:37:33,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:37:33,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:37:33,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:37:33,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:37:33,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:37:33,589 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:37:33,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:37:33,589 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:37:33,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:37:33,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:37:33,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:37:33,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:37:33,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:37:33,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:37:33,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:37:33,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:37:33,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:37:33,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:37:33,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:37:33,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:37:33,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:37:33,592 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 10:37:33,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:37:33,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:37:33,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:37:33,919 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:37:33,919 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:37:33,920 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2020-10-13 10:37:33,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a5c420c9/7898a086ae454d828558a7975b6fd50d/FLAGce70f29f6 [2020-10-13 10:37:34,559 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:37:34,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2020-10-13 10:37:34,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a5c420c9/7898a086ae454d828558a7975b6fd50d/FLAGce70f29f6 [2020-10-13 10:37:34,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a5c420c9/7898a086ae454d828558a7975b6fd50d [2020-10-13 10:37:34,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:37:34,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:37:34,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:37:34,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:37:34,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:37:34,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:37:34" (1/1) ... [2020-10-13 10:37:34,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592fd428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:34, skipping insertion in model container [2020-10-13 10:37:34,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:37:34" (1/1) ... [2020-10-13 10:37:34,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:37:34,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:37:35,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:37:35,392 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:37:35,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:37:35,495 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:37:35,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35 WrapperNode [2020-10-13 10:37:35,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:37:35,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:37:35,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:37:35,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:37:35,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (1/1) ... [2020-10-13 10:37:35,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (1/1) ... [2020-10-13 10:37:35,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (1/1) ... [2020-10-13 10:37:35,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (1/1) ... [2020-10-13 10:37:35,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (1/1) ... [2020-10-13 10:37:35,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (1/1) ... [2020-10-13 10:37:35,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (1/1) ... [2020-10-13 10:37:35,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:37:35,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:37:35,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:37:35,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:37:35,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (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 10:37:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:37:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:37:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-13 10:37:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-13 10:37:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-13 10:37:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-13 10:37:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-13 10:37:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2020-10-13 10:37:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2020-10-13 10:37:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2020-10-13 10:37:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:37:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:37:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-13 10:37:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-13 10:37:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-13 10:37:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-13 10:37:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-13 10:37:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-13 10:37:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-13 10:37:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-13 10:37:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-13 10:37:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-13 10:37:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-13 10:37:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-13 10:37:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-13 10:37:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-13 10:37:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-13 10:37:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-13 10:37:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-13 10:37:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-13 10:37:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-13 10:37:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-13 10:37:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-13 10:37:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-13 10:37:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-13 10:37:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-13 10:37:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-13 10:37:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-13 10:37:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-13 10:37:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-13 10:37:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-13 10:37:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-13 10:37:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-13 10:37:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-13 10:37:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-13 10:37:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-13 10:37:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-13 10:37:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-13 10:37:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-13 10:37:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-13 10:37:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-13 10:37:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-13 10:37:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-13 10:37:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-13 10:37:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-13 10:37:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-13 10:37:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-13 10:37:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-13 10:37:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-13 10:37:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-13 10:37:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-13 10:37:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-13 10:37:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-13 10:37:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-13 10:37:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 10:37:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 10:37:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-13 10:37:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 10:37:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-13 10:37:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-13 10:37:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-13 10:37:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-13 10:37:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-13 10:37:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:37:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-13 10:37:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-13 10:37:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-13 10:37:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 10:37:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-13 10:37:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-13 10:37:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-13 10:37:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-13 10:37:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-13 10:37:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-13 10:37:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-13 10:37:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-13 10:37:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-13 10:37:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-13 10:37:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-13 10:37:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-13 10:37:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-13 10:37:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-13 10:37:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-13 10:37:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-13 10:37:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-13 10:37:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-13 10:37:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-13 10:37:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-13 10:37:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-13 10:37:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-13 10:37:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-13 10:37:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-13 10:37:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-13 10:37:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-13 10:37:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-13 10:37:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-13 10:37:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-13 10:37:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-13 10:37:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-13 10:37:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-13 10:37:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-13 10:37:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-13 10:37:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 10:37:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 10:37:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:37:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-13 10:37:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2020-10-13 10:37:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 10:37:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:37:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2020-10-13 10:37:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:37:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2020-10-13 10:37:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:37:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:37:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:37:36,123 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-13 10:37:36,253 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:37:36,254 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-13 10:37:36,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:37:36 BoogieIcfgContainer [2020-10-13 10:37:36,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:37:36,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:37:36,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:37:36,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:37:36,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:37:34" (1/3) ... [2020-10-13 10:37:36,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf9f421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:37:36, skipping insertion in model container [2020-10-13 10:37:36,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:37:35" (2/3) ... [2020-10-13 10:37:36,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf9f421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:37:36, skipping insertion in model container [2020-10-13 10:37:36,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:37:36" (3/3) ... [2020-10-13 10:37:36,267 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2020-10-13 10:37:36,276 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:37:36,284 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:37:36,297 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:37:36,319 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:37:36,319 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:37:36,319 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:37:36,320 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:37:36,320 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:37:36,320 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:37:36,320 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:37:36,320 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:37:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-13 10:37:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-13 10:37:36,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:36,349 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 10:37:36,349 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:36,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:36,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1661227511, now seen corresponding path program 1 times [2020-10-13 10:37:36,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:36,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969005270] [2020-10-13 10:37:36,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:36,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:36,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:37,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:37,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 10:37:37,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:37:37,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-13 10:37:37,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:37,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:37,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 10:37:37,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:37,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:37:37,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:37,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:37,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:37,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:37,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:37,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:37:37,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:37,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:37,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:37,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:37:37,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 10:37:37,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 10:37:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:37,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:37,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:37,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:37,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:37,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:37:37,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:37,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:37:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:37,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:37,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:37,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:37,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:37,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:37:37,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:37:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:37,500 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 10:37:37,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969005270] [2020-10-13 10:37:37,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:37:37,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:37:37,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237585690] [2020-10-13 10:37:37,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:37:37,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:37,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:37:37,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:37:37,530 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 4 states. [2020-10-13 10:37:37,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:37,755 INFO L93 Difference]: Finished difference Result 101 states and 133 transitions. [2020-10-13 10:37:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 10:37:37,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-13 10:37:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:37,768 INFO L225 Difference]: With dead ends: 101 [2020-10-13 10:37:37,768 INFO L226 Difference]: Without dead ends: 45 [2020-10-13 10:37:37,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 10:37:37,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-13 10:37:37,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-13 10:37:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-13 10:37:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2020-10-13 10:37:37,827 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 32 [2020-10-13 10:37:37,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:37,830 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2020-10-13 10:37:37,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:37:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2020-10-13 10:37:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-13 10:37:37,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:37,833 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 10:37:37,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:37:37,833 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:37,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:37,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1248070634, now seen corresponding path program 1 times [2020-10-13 10:37:37,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:37,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267572599] [2020-10-13 10:37:37,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:37,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:37,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:37,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:38,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 10:37:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:37:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-10-13 10:37:38,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 10:37:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:37:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:38,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:38,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:38,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:38,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:38,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:38,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:38,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:38,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:37:38,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:38,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:37:38,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:38,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:38,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:38,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:38,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:38,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:38,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:38,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:38,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:38,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:37:38,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:38,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:37:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:38,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:38,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:38,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:38,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:38,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:38,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:37:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:38,489 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 10:37:38,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267572599] [2020-10-13 10:37:38,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:37:38,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 10:37:38,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204751465] [2020-10-13 10:37:38,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:37:38,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:38,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:37:38,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:37:38,492 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand 7 states. [2020-10-13 10:37:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:38,745 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2020-10-13 10:37:38,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:37:38,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-10-13 10:37:38,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:38,748 INFO L225 Difference]: With dead ends: 69 [2020-10-13 10:37:38,748 INFO L226 Difference]: Without dead ends: 55 [2020-10-13 10:37:38,750 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 10:37:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-13 10:37:38,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 46. [2020-10-13 10:37:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-13 10:37:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2020-10-13 10:37:38,762 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 32 [2020-10-13 10:37:38,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:38,762 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2020-10-13 10:37:38,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:37:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2020-10-13 10:37:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-13 10:37:38,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:38,764 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 10:37:38,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:37:38,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:38,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:38,765 INFO L82 PathProgramCache]: Analyzing trace with hash 2064355028, now seen corresponding path program 1 times [2020-10-13 10:37:38,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:38,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780104627] [2020-10-13 10:37:38,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:38,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:38,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:38,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:40,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:40,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:40,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:42,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 10:37:42,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:37:42,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3225 [2020-10-13 10:37:42,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:37:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:37:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:42,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:42,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:37:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:42,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:42,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:42,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:37:42,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:42,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 10:37:42,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:37:42,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:37:42,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:37:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:42,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:42,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:42,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:42,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 10:37:42,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:37:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:42,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:42,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 10:37:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:42,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:42,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:42,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:42,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:37:42,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:42,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:42,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:37:42,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:42,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:42,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:42,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:42,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:42,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:42,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:42,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:42,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:37:42,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:42,266 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 10:37:42,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780104627] [2020-10-13 10:37:42,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:37:42,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 10:37:42,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801938714] [2020-10-13 10:37:42,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:37:42,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:42,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:37:42,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:37:42,270 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 8 states. [2020-10-13 10:37:42,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:42,679 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2020-10-13 10:37:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:37:42,682 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-10-13 10:37:42,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:42,684 INFO L225 Difference]: With dead ends: 77 [2020-10-13 10:37:42,684 INFO L226 Difference]: Without dead ends: 51 [2020-10-13 10:37:42,687 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 10:37:42,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-13 10:37:42,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2020-10-13 10:37:42,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-13 10:37:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2020-10-13 10:37:42,708 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 40 [2020-10-13 10:37:42,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:42,709 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2020-10-13 10:37:42,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:37:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2020-10-13 10:37:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-13 10:37:42,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:42,712 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, 1] [2020-10-13 10:37:42,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:37:42,713 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:42,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:42,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1202630968, now seen corresponding path program 1 times [2020-10-13 10:37:42,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:42,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024790130] [2020-10-13 10:37:42,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:42,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:42,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:43,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:43,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:44,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:46,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-13 10:37:46,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:37:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4000 [2020-10-13 10:37:46,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:37:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 10:37:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 10:37:46,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:46,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:46,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:46,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:46,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:46,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:46,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:46,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:46,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:46,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:46,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:46,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:46,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:46,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 10:37:46,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:46,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:47,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:47,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:47,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:47,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:47,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:37:47,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:47,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:47,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:47,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:47,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:47,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:47,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:47,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:37:47,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:47,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:47,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:47,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:47,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:47,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:47,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:47,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:47,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 10:37:47,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:37:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:37:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:47,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:37:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:47,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:47,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:47,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:47,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 10:37:47,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:37:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:37:47,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:47,421 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 10:37:47,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024790130] [2020-10-13 10:37:47,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:37:47,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-13 10:37:47,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654698266] [2020-10-13 10:37:47,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 10:37:47,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:47,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 10:37:47,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-10-13 10:37:47,431 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand 17 states. [2020-10-13 10:37:49,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:49,136 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2020-10-13 10:37:49,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 10:37:49,137 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2020-10-13 10:37:49,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:49,141 INFO L225 Difference]: With dead ends: 78 [2020-10-13 10:37:49,142 INFO L226 Difference]: Without dead ends: 76 [2020-10-13 10:37:49,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2020-10-13 10:37:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-13 10:37:49,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2020-10-13 10:37:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-13 10:37:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2020-10-13 10:37:49,178 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 50 [2020-10-13 10:37:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:49,181 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2020-10-13 10:37:49,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 10:37:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2020-10-13 10:37:49,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 10:37:49,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:49,189 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, 1, 1] [2020-10-13 10:37:49,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:37:49,190 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:49,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:49,191 INFO L82 PathProgramCache]: Analyzing trace with hash -579196519, now seen corresponding path program 1 times [2020-10-13 10:37:49,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:49,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74797044] [2020-10-13 10:37:49,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:49,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:49,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:49,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:49,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:50,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:50,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:52,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:52,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 10:37:52,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:37:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3557 [2020-10-13 10:37:52,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 10:37:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:52,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:52,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:52,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:52,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:52,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:52,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:52,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:37:52,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:52,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:52,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:37:52,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:52,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:52,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:52,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:52,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:37:52,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:52,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:52,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:52,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:52,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:52,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:52,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:37:52,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:52,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:52,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:52,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:52,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:52,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:52,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:52,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:52,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:37:52,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:52,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:52,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:52,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:52,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:52,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:52,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:52,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:52,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:52,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:52,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:52,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:37:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:52,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:52,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:52,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:37:52,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:52,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:37:52,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:37:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:37:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:52,957 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 10:37:52,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74797044] [2020-10-13 10:37:52,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:52,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:37:52,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312147567] [2020-10-13 10:37:52,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:37:52,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:52,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:37:52,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:37:52,960 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 8 states. [2020-10-13 10:37:53,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:53,281 INFO L93 Difference]: Finished difference Result 103 states and 126 transitions. [2020-10-13 10:37:53,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 10:37:53,282 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-13 10:37:53,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:53,284 INFO L225 Difference]: With dead ends: 103 [2020-10-13 10:37:53,284 INFO L226 Difference]: Without dead ends: 80 [2020-10-13 10:37:53,285 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 10:37:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-13 10:37:53,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2020-10-13 10:37:53,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-13 10:37:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 83 transitions. [2020-10-13 10:37:53,314 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 83 transitions. Word has length 51 [2020-10-13 10:37:53,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:53,315 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 83 transitions. [2020-10-13 10:37:53,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:37:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 83 transitions. [2020-10-13 10:37:53,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 10:37:53,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:53,318 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, 1, 1] [2020-10-13 10:37:53,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:37:53,318 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:53,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:53,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1117742799, now seen corresponding path program 1 times [2020-10-13 10:37:53,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:53,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823287913] [2020-10-13 10:37:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:53,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:53,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:53,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:54,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:54,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 10:37:54,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 10:37:54,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 976 [2020-10-13 10:37:54,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:54,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:54,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 10:37:54,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:37:54,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:54,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:54,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:54,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:54,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:54,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:37:54,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:54,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:54,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:54,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:54,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:54,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:54,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 10:37:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:54,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:54,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:54,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:54,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:37:54,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:54,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:54,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:54,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:54,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:37:54,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:54,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:54,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:54,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:54,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:37:54,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:54,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:37:54,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:37:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:37:54,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:54,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:37:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:54,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:54,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:54,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:54,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:54,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:37:54,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:54,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:54,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:37:54,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:54,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:54,519 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 10:37:54,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823287913] [2020-10-13 10:37:54,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:54,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:37:54,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254881476] [2020-10-13 10:37:54,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:37:54,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:54,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:37:54,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:37:54,523 INFO L87 Difference]: Start difference. First operand 69 states and 83 transitions. Second operand 8 states. [2020-10-13 10:37:54,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:37:54,848 INFO L93 Difference]: Finished difference Result 122 states and 149 transitions. [2020-10-13 10:37:54,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:37:54,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-13 10:37:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:37:54,850 INFO L225 Difference]: With dead ends: 122 [2020-10-13 10:37:54,850 INFO L226 Difference]: Without dead ends: 79 [2020-10-13 10:37:54,854 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 10:37:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-13 10:37:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2020-10-13 10:37:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-13 10:37:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 85 transitions. [2020-10-13 10:37:54,873 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 85 transitions. Word has length 51 [2020-10-13 10:37:54,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:37:54,876 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 85 transitions. [2020-10-13 10:37:54,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:37:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2020-10-13 10:37:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 10:37:54,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:37:54,878 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 10:37:54,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 10:37:54,879 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:37:54,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:37:54,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1967505627, now seen corresponding path program 2 times [2020-10-13 10:37:54,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:37:54,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858323306] [2020-10-13 10:37:54,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:37:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:54,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:56,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:56,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 10:37:56,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:56,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1790 [2020-10-13 10:37:56,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:56,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-13 10:37:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 10:37:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 10:37:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:56,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:37:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:56,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:56,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:56,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:37:56,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:37:56,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:37:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:37:56,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:37:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:56,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:57,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:57,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:37:57,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:57,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-13 10:37:57,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 10:37:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:57,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 10:37:57,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:57,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:37:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:57,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:57,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:57,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:57,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 10:37:57,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:37:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:37:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:37:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:57,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:57,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:57,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:57,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 10:37:57,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:37:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:37:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:37:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:57,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:37:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:57,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:57,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:57,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:57,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:57,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 10:37:57,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:37:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:37:57,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:37:57,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:37:57,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:37:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:57,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:57,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:57,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:37:57,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:57,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 10:37:57,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:57,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:37:57,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:37:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:37:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:58,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:37:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:37:58,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:37:58,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:37:58,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:37:58,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:37:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 10:37:58,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:37:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:37:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:37:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:37:58,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:37:58,323 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 10:37:58,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858323306] [2020-10-13 10:37:58,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:37:58,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-13 10:37:58,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896846266] [2020-10-13 10:37:58,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-13 10:37:58,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:37:58,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-13 10:37:58,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2020-10-13 10:37:58,327 INFO L87 Difference]: Start difference. First operand 70 states and 85 transitions. Second operand 31 states. [2020-10-13 10:38:00,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:00,810 INFO L93 Difference]: Finished difference Result 124 states and 159 transitions. [2020-10-13 10:38:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-13 10:38:00,811 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 59 [2020-10-13 10:38:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:00,814 INFO L225 Difference]: With dead ends: 124 [2020-10-13 10:38:00,814 INFO L226 Difference]: Without dead ends: 122 [2020-10-13 10:38:00,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=218, Invalid=2332, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 10:38:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-13 10:38:00,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 95. [2020-10-13 10:38:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-13 10:38:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 121 transitions. [2020-10-13 10:38:00,833 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 121 transitions. Word has length 59 [2020-10-13 10:38:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:00,833 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 121 transitions. [2020-10-13 10:38:00,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-13 10:38:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2020-10-13 10:38:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 10:38:00,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:00,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:38:00,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 10:38:00,835 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:00,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:00,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1118535150, now seen corresponding path program 3 times [2020-10-13 10:38:00,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:00,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453749749] [2020-10-13 10:38:00,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:00,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:00,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:00,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:01,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 10:38:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 10:38:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2725 [2020-10-13 10:38:03,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:38:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 10:38:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 10:38:03,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:03,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:03,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:03,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:03,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:03,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:03,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:03,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:03,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:03,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:03,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:03,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:03,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 10:38:03,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:03,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:03,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:03,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:03,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:38:03,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:03,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:03,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:03,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:03,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:03,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:38:03,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:03,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:03,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:03,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:38:03,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:38:03,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:03,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:38:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:03,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:38:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:03,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:38:03,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:03,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 10:38:03,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:38:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:38:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:38:03,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:38:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:03,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:03,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:03,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:03,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:03,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:38:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 10:38:03,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453749749] [2020-10-13 10:38:03,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:38:03,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 10:38:03,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943940745] [2020-10-13 10:38:03,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 10:38:03,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:03,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 10:38:03,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:38:03,868 INFO L87 Difference]: Start difference. First operand 95 states and 121 transitions. Second operand 11 states. [2020-10-13 10:38:04,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:04,466 INFO L93 Difference]: Finished difference Result 168 states and 215 transitions. [2020-10-13 10:38:04,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:38:04,468 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 60 [2020-10-13 10:38:04,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:04,471 INFO L225 Difference]: With dead ends: 168 [2020-10-13 10:38:04,471 INFO L226 Difference]: Without dead ends: 121 [2020-10-13 10:38:04,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-10-13 10:38:04,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-13 10:38:04,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 98. [2020-10-13 10:38:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-13 10:38:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2020-10-13 10:38:04,502 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 60 [2020-10-13 10:38:04,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:04,502 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2020-10-13 10:38:04,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 10:38:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2020-10-13 10:38:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-13 10:38:04,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:04,504 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, 1, 1] [2020-10-13 10:38:04,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 10:38:04,504 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:04,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:04,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1104349838, now seen corresponding path program 1 times [2020-10-13 10:38:04,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:04,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301895238] [2020-10-13 10:38:04,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:04,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:04,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:04,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:04,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:04,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:05,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:05,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:05,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:05,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:05,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:06,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:06,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:06,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:07,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:07,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 10:38:09,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 10:38:09,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 10:38:09,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:38:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 10:38:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 10:38:09,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:09,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:09,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:09,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:09,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:09,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:09,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:09,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:09,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:38:09,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:09,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:09,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:09,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:09,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:09,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:09,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:09,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:38:09,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:38:09,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:09,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:38:09,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:09,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:38:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:09,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:09,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:38:09,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:38:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:09,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:09,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:09,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:09,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:09,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:09,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:38:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:09,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:09,770 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 10:38:09,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301895238] [2020-10-13 10:38:09,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:38:09,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 10:38:09,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846366921] [2020-10-13 10:38:09,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:38:09,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:09,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:38:09,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:38:09,777 INFO L87 Difference]: Start difference. First operand 98 states and 125 transitions. Second operand 12 states. [2020-10-13 10:38:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:10,192 INFO L93 Difference]: Finished difference Result 126 states and 154 transitions. [2020-10-13 10:38:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:38:10,193 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-10-13 10:38:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:10,194 INFO L225 Difference]: With dead ends: 126 [2020-10-13 10:38:10,194 INFO L226 Difference]: Without dead ends: 101 [2020-10-13 10:38:10,198 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 10:38:10,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-13 10:38:10,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 88. [2020-10-13 10:38:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-13 10:38:10,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2020-10-13 10:38:10,215 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 61 [2020-10-13 10:38:10,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:10,215 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2020-10-13 10:38:10,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:38:10,215 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2020-10-13 10:38:10,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-13 10:38:10,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:10,217 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:38:10,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 10:38:10,217 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:10,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:10,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1518706309, now seen corresponding path program 4 times [2020-10-13 10:38:10,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:10,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835243731] [2020-10-13 10:38:10,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:10,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:10,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:10,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:14,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 10:38:15,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:38:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 10:38:15,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:38:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 10:38:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:38:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:15,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:38:15,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:15,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 10:38:15,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:15,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:15,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:15,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:15,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:15,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:15,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:38:15,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:15,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:38:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:15,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:38:15,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:38:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:38:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:38:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:15,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:15,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:15,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 10:38:15,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:38:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:15,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:15,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:15,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:38:15,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:15,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:38:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:15,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:15,416 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 10:38:15,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835243731] [2020-10-13 10:38:15,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:38:15,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:38:15,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503618377] [2020-10-13 10:38:15,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:38:15,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:15,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:38:15,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:38:15,418 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand 9 states. [2020-10-13 10:38:15,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:15,701 INFO L93 Difference]: Finished difference Result 131 states and 161 transitions. [2020-10-13 10:38:15,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:38:15,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-10-13 10:38:15,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:15,703 INFO L225 Difference]: With dead ends: 131 [2020-10-13 10:38:15,703 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 10:38:15,704 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 10:38:15,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 10:38:15,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2020-10-13 10:38:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-13 10:38:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 106 transitions. [2020-10-13 10:38:15,723 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 106 transitions. Word has length 67 [2020-10-13 10:38:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:15,724 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 106 transitions. [2020-10-13 10:38:15,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:38:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2020-10-13 10:38:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 10:38:15,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:15,727 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, 1, 1] [2020-10-13 10:38:15,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 10:38:15,728 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:15,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:15,728 INFO L82 PathProgramCache]: Analyzing trace with hash -2045941912, now seen corresponding path program 5 times [2020-10-13 10:38:15,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:15,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280427694] [2020-10-13 10:38:15,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:15,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:16,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:16,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:17,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 10:38:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:20,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:38:20,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:20,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:20,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:20,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:20,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:20,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:20,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:20,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:20,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:20,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:20,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:20,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:20,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:20,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:38:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:20,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:38:20,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:38:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:20,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:38:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:38:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:20,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:38:20,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:38:20,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:38:20,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:38:20,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:38:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:20,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:20,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:20,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:20,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:38:20,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:38:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:20,955 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 10:38:20,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280427694] [2020-10-13 10:38:20,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:38:20,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:38:20,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491933915] [2020-10-13 10:38:20,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:38:20,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:20,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:38:20,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:38:20,961 INFO L87 Difference]: Start difference. First operand 88 states and 106 transitions. Second operand 12 states. [2020-10-13 10:38:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:21,438 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-10-13 10:38:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 10:38:21,439 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 68 [2020-10-13 10:38:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:21,440 INFO L225 Difference]: With dead ends: 126 [2020-10-13 10:38:21,440 INFO L226 Difference]: Without dead ends: 91 [2020-10-13 10:38:21,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2020-10-13 10:38:21,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-13 10:38:21,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2020-10-13 10:38:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-13 10:38:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2020-10-13 10:38:21,452 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 68 [2020-10-13 10:38:21,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:21,453 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2020-10-13 10:38:21,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:38:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2020-10-13 10:38:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-13 10:38:21,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:21,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 10:38:21,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 10:38:21,455 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:21,455 INFO L82 PathProgramCache]: Analyzing trace with hash 715119440, now seen corresponding path program 1 times [2020-10-13 10:38:21,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:21,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865125381] [2020-10-13 10:38:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:21,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:21,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:22,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:22,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:22,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:38:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:38:24,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3266 [2020-10-13 10:38:24,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:38:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 10:38:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 10:38:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:24,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:24,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:24,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:24,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:38:24,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:24,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:24,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:24,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:24,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:24,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:24,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:24,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:24,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:24,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:24,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:38:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:24,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:24,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:24,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:24,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:38:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:24,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:24,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:24,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:24,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:24,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:38:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:24,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:24,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:24,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:24,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:24,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:38:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:38:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:24,895 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 10:38:24,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865125381] [2020-10-13 10:38:24,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:38:24,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 10:38:24,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579569807] [2020-10-13 10:38:24,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:38:24,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:24,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:38:24,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:38:24,898 INFO L87 Difference]: Start difference. First operand 90 states and 107 transitions. Second operand 9 states. [2020-10-13 10:38:25,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:25,157 INFO L93 Difference]: Finished difference Result 111 states and 130 transitions. [2020-10-13 10:38:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:38:25,159 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-13 10:38:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:25,160 INFO L225 Difference]: With dead ends: 111 [2020-10-13 10:38:25,161 INFO L226 Difference]: Without dead ends: 95 [2020-10-13 10:38:25,161 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 10:38:25,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-13 10:38:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2020-10-13 10:38:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-13 10:38:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 106 transitions. [2020-10-13 10:38:25,171 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 106 transitions. Word has length 69 [2020-10-13 10:38:25,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:25,171 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 106 transitions. [2020-10-13 10:38:25,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:38:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2020-10-13 10:38:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-13 10:38:25,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:25,172 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, 1, 1] [2020-10-13 10:38:25,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 10:38:25,173 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:25,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:25,173 INFO L82 PathProgramCache]: Analyzing trace with hash 744907311, now seen corresponding path program 6 times [2020-10-13 10:38:25,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:25,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326335829] [2020-10-13 10:38:25,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:25,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:25,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:25,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:25,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:25,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:25,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:28,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:28,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 10:38:28,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 10:38:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3802 [2020-10-13 10:38:28,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:38:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 10:38:28,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 10:38:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:29,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:29,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:29,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-13 10:38:29,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:29,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 10:38:29,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:38:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 10:38:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:29,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:38:29,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:29,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:38:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:29,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:29,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:38:29,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:38:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:29,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:38:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:29,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:29,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:29,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:38:29,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:38:29,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:29,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-13 10:38:29,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326335829] [2020-10-13 10:38:29,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:38:29,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:38:29,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308536211] [2020-10-13 10:38:29,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:38:29,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:29,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:38:29,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:38:29,246 INFO L87 Difference]: Start difference. First operand 90 states and 106 transitions. Second operand 12 states. [2020-10-13 10:38:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:29,639 INFO L93 Difference]: Finished difference Result 128 states and 144 transitions. [2020-10-13 10:38:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:38:29,640 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2020-10-13 10:38:29,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:29,641 INFO L225 Difference]: With dead ends: 128 [2020-10-13 10:38:29,641 INFO L226 Difference]: Without dead ends: 64 [2020-10-13 10:38:29,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:38:29,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-13 10:38:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-13 10:38:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-13 10:38:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-10-13 10:38:29,649 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 69 [2020-10-13 10:38:29,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:29,649 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-10-13 10:38:29,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:38:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-10-13 10:38:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-13 10:38:29,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:29,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:38:29,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 10:38:29,651 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:29,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:29,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1258476015, now seen corresponding path program 1 times [2020-10-13 10:38:29,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:29,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010966628] [2020-10-13 10:38:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:30,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:32,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:32,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:32,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:33,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:34,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:34,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 10:38:34,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 10:38:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 10:38:34,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:34,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 10:38:34,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 10:38:34,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 10:38:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:34,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:34,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:34,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:34,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:34,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:34,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:38:34,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:34,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:34,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:34,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:35,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 10:38:35,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:35,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:35,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:35,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:38:35,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:38:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:38:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:35,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:35,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:35,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:35,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:35,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:35,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 10:38:35,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:35,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:38:35,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:35,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:35,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:35,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:35,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 10:38:35,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:38:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:38:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:38:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-13 10:38:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:38:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:35,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:35,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:35,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 10:38:35,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:38:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 10:38:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 10:38:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:36,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:38:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:36,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:36,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:36,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:38:36,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:38:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:36,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:38:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:38:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:36,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:36,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:36,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:36,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:36,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 10:38:36,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:38:36,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:36,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:38:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 10:38:36,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010966628] [2020-10-13 10:38:36,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:38:36,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-13 10:38:36,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518403166] [2020-10-13 10:38:36,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-13 10:38:36,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:36,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-13 10:38:36,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=859, Unknown=0, NotChecked=0, Total=930 [2020-10-13 10:38:36,434 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 31 states. [2020-10-13 10:38:38,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:38,700 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2020-10-13 10:38:38,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 10:38:38,701 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 70 [2020-10-13 10:38:38,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:38,702 INFO L225 Difference]: With dead ends: 72 [2020-10-13 10:38:38,702 INFO L226 Difference]: Without dead ends: 65 [2020-10-13 10:38:38,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=211, Invalid=2339, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 10:38:38,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-13 10:38:38,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-13 10:38:38,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-13 10:38:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-10-13 10:38:38,713 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 70 [2020-10-13 10:38:38,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:38,713 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-10-13 10:38:38,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-13 10:38:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-10-13 10:38:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-13 10:38:38,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:38:38,714 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:38:38,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 10:38:38,715 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:38:38,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:38:38,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1984574320, now seen corresponding path program 2 times [2020-10-13 10:38:38,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:38:38,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731773469] [2020-10-13 10:38:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:38:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:38,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:38,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:38,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:38,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:41,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:42,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 10:38:43,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 10:38:43,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 10:38:43,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:38:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 10:38:43,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 10:38:43,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:43,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:38:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:38:43,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:38:43,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:43,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:38:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:38:43,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 10:38:43,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:38:43,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:38:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:43,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:43,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:43,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:38:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:43,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:43,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:43,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:38:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:43,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:43,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:43,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:43,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:43,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:38:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:38:43,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:38:43,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:38:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:38:43,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:43,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:38:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:38:43,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:38:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:38:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:38:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:38:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:38:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:38:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:38:43,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:38:43,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:38:43,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:38:43,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:38:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:38:43,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:38:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:38:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 10:38:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:38:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:38:43,959 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 10:38:43,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731773469] [2020-10-13 10:38:43,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:38:43,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:38:43,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811320816] [2020-10-13 10:38:43,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:38:43,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:38:43,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:38:43,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:38:43,962 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 12 states. [2020-10-13 10:38:44,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:38:44,371 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2020-10-13 10:38:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 10:38:44,372 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2020-10-13 10:38:44,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:38:44,373 INFO L225 Difference]: With dead ends: 72 [2020-10-13 10:38:44,373 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 10:38:44,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-10-13 10:38:44,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 10:38:44,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 10:38:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 10:38:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 10:38:44,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-13 10:38:44,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:38:44,380 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 10:38:44,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:38:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 10:38:44,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 10:38:44,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 10:38:44,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 10:38:44,959 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-10-13 10:38:45,223 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 41 [2020-10-13 10:38:45,358 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2020-10-13 10:38:45,651 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-10-13 10:38:45,781 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2020-10-13 10:38:45,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:38:45,795 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 10:38:45,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:38:45,795 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-10-13 10:38:45,796 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-10-13 10:38:45,796 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-10-13 10:38:45,796 INFO L264 CegarLoopResult]: At program point dll_circular_destroyENTRY(lines 590 600) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-13 10:38:45,796 INFO L268 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-10-13 10:38:45,796 INFO L271 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-13 10:38:45,796 INFO L268 CegarLoopResult]: For program point L593-3(lines 593 597) no Hoare annotation was computed. [2020-10-13 10:38:45,796 INFO L268 CegarLoopResult]: For program point L591-2(lines 590 600) no Hoare annotation was computed. [2020-10-13 10:38:45,796 INFO L268 CegarLoopResult]: For program point dll_circular_destroyEXIT(lines 590 600) no Hoare annotation was computed. [2020-10-13 10:38:45,797 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:38:45,797 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:38:45,798 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-13 10:38:45,798 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:38:45,799 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:38:45,799 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-13 10:38:45,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 10:38:45,799 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 10:38:45,799 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 10:38:45,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 10:38:45,802 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 615 634) no Hoare annotation was computed. [2020-10-13 10:38:45,802 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-13 10:38:45,802 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 8)))) (let ((.cse1 (<= 2 main_~len~0)) (.cse2 (= (+ .cse3 1) (* main_~len~0 2)))) (or (let ((.cse0 (select (select |#memory_int| main_~s~0.base) 8))) (and (= (+ main_~i~0 main_~len~0) .cse0) (= main_~expected~0 .cse0) (= main_~i~0 0) .cse1 .cse2 (<= main_~len~0 (+ main_~i~0 2)) (= main_~s~0.offset 0))) (and .cse1 (= .cse3 main_~expected~0) (<= main_~len~0 (+ main_~i~0 1)) .cse2 (<= main_~i~0 1))))) [2020-10-13 10:38:45,802 INFO L268 CegarLoopResult]: For program point L626-1(line 626) no Hoare annotation was computed. [2020-10-13 10:38:45,802 INFO L268 CegarLoopResult]: For program point L626-2(lines 626 628) no Hoare annotation was computed. [2020-10-13 10:38:45,803 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~len~0))) (let ((.cse1 (<= 2 main_~len~0)) (.cse2 (<= .cse0 main_~new_data~0)) (.cse3 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base))) (.cse4 (= main_~s~0.offset 0))) (or (and (<= main_~new_data~0 .cse0) .cse1 (<= main_~len~0 (+ main_~i~0 1)) (= main_~len~0 (select (select |#memory_int| main_~s~0.base) 8)) .cse2 .cse3 .cse4 (<= main_~i~0 1)) (and .cse1 .cse2 (<= main_~len~0 (+ main_~i~0 2)) (<= main_~new_data~0 main_~len~0) .cse3 .cse4)))) [2020-10-13 10:38:45,803 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 629) no Hoare annotation was computed. [2020-10-13 10:38:45,803 INFO L268 CegarLoopResult]: For program point L622-1(lines 620 623) no Hoare annotation was computed. [2020-10-13 10:38:45,803 INFO L264 CegarLoopResult]: At program point L624-3(lines 624 629) the Hoare annotation is: (let ((.cse1 (<= main_~len~0 main_~i~0)) (.cse0 (<= 2 main_~len~0)) (.cse2 (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 8)) 1) (* main_~len~0 2)))) (or (and (<= main_~len~0 2) .cse0 .cse1) (and (<= main_~i~0 0) .cse1) (and .cse0 (<= main_~len~0 (+ main_~i~0 1)) .cse2 (<= main_~i~0 1)) (and (= (+ main_~i~0 main_~len~0) (select (select |#memory_int| main_~s~0.base) 8)) (= main_~i~0 0) .cse0 .cse2 (<= main_~len~0 (+ main_~i~0 2)) (= main_~s~0.offset 0)))) [2020-10-13 10:38:45,804 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 615 634) no Hoare annotation was computed. [2020-10-13 10:38:45,804 INFO L271 CegarLoopResult]: At program point L624-4(lines 624 629) the Hoare annotation is: true [2020-10-13 10:38:45,807 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:38:45,808 INFO L264 CegarLoopResult]: At program point L620-2(lines 620 623) the Hoare annotation is: (let ((.cse4 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse2 (not (= .cse4 main_~s~0.base))) (.cse0 (<= 2 main_~len~0)) (.cse1 (= main_~len~0 (select (select |#memory_int| main_~s~0.base) 8))) (.cse3 (= main_~s~0.offset 0))) (or (and .cse0 (<= main_~len~0 main_~new_data~0) (<= main_~len~0 (+ main_~i~0 1)) .cse1 (<= main_~new_data~0 main_~len~0) .cse2 .cse3 (<= main_~i~0 1)) (and .cse0 (= main_~i~0 0) (<= main_~len~0 (+ main_~i~0 2)) .cse2 .cse3) (and .cse0 (<= main_~len~0 main_~i~0) .cse1 (<= main_~i~0 2) .cse3 (= (+ (select (select |#memory_int| .cse4) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 8)) 1) (+ main_~i~0 main_~len~0)))))) [2020-10-13 10:38:45,808 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-10-13 10:38:45,808 INFO L268 CegarLoopResult]: For program point L620-3(lines 620 623) no Hoare annotation was computed. [2020-10-13 10:38:45,808 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 632) no Hoare annotation was computed. [2020-10-13 10:38:45,808 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 615 634) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:38:45,808 INFO L264 CegarLoopResult]: At program point L627(lines 615 634) the Hoare annotation is: false [2020-10-13 10:38:45,809 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-10-13 10:38:45,809 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= dll_circular_create_~len |dll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= |dll_circular_create_#in~len| 2))) [2020-10-13 10:38:45,809 INFO L264 CegarLoopResult]: At program point L577-2(lines 577 585) the Hoare annotation is: (let ((.cse1 (= dll_circular_create_~head~0.offset 0)) (.cse0 (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base))) (or (and (not (= dll_circular_create_~new_head~0.base dll_circular_create_~last~0.base)) (= (select (select |#memory_$Pointer$.offset| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset) 0) (= (select (select |#memory_$Pointer$.base| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset) dll_circular_create_~last~0.base) (not .cse0) (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) (= (select (store (select (store |#memory_$Pointer$.offset| dll_circular_create_~last~0.base (store (select |#memory_$Pointer$.offset| dll_circular_create_~last~0.base) dll_circular_create_~last~0.offset dll_circular_create_~head~0.offset)) dll_circular_create_~head~0.base) (+ dll_circular_create_~head~0.offset 4) dll_circular_create_~last~0.offset) dll_circular_create_~head~0.offset) 0) (= dll_circular_create_~new_head~0.offset 0) .cse1 (not (= dll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset)))) (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~last~0.offset 0) .cse1 (= (select |#valid| dll_circular_create_~last~0.base) 1) .cse0) (not (<= |dll_circular_create_#in~len| 2)))) [2020-10-13 10:38:45,809 INFO L268 CegarLoopResult]: For program point dll_circular_createEXIT(lines 574 589) no Hoare annotation was computed. [2020-10-13 10:38:45,809 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-10-13 10:38:45,810 INFO L268 CegarLoopResult]: For program point L577-3(lines 577 585) no Hoare annotation was computed. [2020-10-13 10:38:45,810 INFO L268 CegarLoopResult]: For program point dll_circular_createFINAL(lines 574 589) no Hoare annotation was computed. [2020-10-13 10:38:45,810 INFO L268 CegarLoopResult]: For program point L580(lines 580 582) no Hoare annotation was computed. [2020-10-13 10:38:45,811 INFO L264 CegarLoopResult]: At program point dll_circular_createENTRY(lines 574 589) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= |dll_circular_create_#in~len| 2))) [2020-10-13 10:38:45,811 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~last~0.offset 0) (= dll_circular_create_~head~0.offset 0) (= (select |#valid| dll_circular_create_~last~0.base) 1) (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (not (<= |dll_circular_create_#in~len| 2))) [2020-10-13 10:38:45,811 INFO L268 CegarLoopResult]: For program point L580-2(lines 580 582) no Hoare annotation was computed. [2020-10-13 10:38:45,811 INFO L264 CegarLoopResult]: At program point L609-2(lines 609 612) the Hoare annotation is: (let ((.cse6 (+ dll_circular_update_at_~index 1))) (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse4 (<= .cse6 |dll_circular_update_at_#in~index|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= |dll_circular_update_at_#in~data| dll_circular_update_at_~data)) (.cse2 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse0 (= |dll_circular_update_at_#in~head.offset| dll_circular_update_at_~head.offset) .cse1 .cse2 (= dll_circular_update_at_~index |dll_circular_update_at_#in~index|) (= dll_circular_update_at_~head.base |dll_circular_update_at_#in~head.base|) .cse3) (and .cse0 .cse4 (<= 2 |dll_circular_update_at_#in~index|) .cse1 .cse2) (and (= (select (select |old(#memory_$Pointer$.base)| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|) dll_circular_update_at_~head.base) .cse0 .cse4 (<= 1 |dll_circular_update_at_#in~index|) .cse1 (let ((.cse5 (= dll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)))) (or (and (= |dll_circular_update_at_#in~head.offset| (+ dll_circular_update_at_~head.offset 8)) (= |dll_circular_update_at_#in~head.base| (select (select |#memory_$Pointer$.base| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) .cse5) (and .cse5 .cse3))) .cse2 (<= |dll_circular_update_at_#in~index| .cse6))))) [2020-10-13 10:38:45,811 INFO L268 CegarLoopResult]: For program point L609-3(lines 609 612) no Hoare annotation was computed. [2020-10-13 10:38:45,811 INFO L268 CegarLoopResult]: For program point dll_circular_update_atFINAL(lines 608 614) no Hoare annotation was computed. [2020-10-13 10:38:45,811 INFO L268 CegarLoopResult]: For program point dll_circular_update_atEXIT(lines 608 614) no Hoare annotation was computed. [2020-10-13 10:38:45,812 INFO L264 CegarLoopResult]: At program point dll_circular_update_atENTRY(lines 608 614) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-13 10:38:45,812 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 564 573) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-13 10:38:45,812 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-10-13 10:38:45,812 INFO L271 CegarLoopResult]: At program point L567(line 567) the Hoare annotation is: true [2020-10-13 10:38:45,812 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-10-13 10:38:45,812 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-10-13 10:38:45,812 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-10-13 10:38:45,813 INFO L268 CegarLoopResult]: For program point dll_circular_get_data_atFINAL(lines 601 607) no Hoare annotation was computed. [2020-10-13 10:38:45,813 INFO L268 CegarLoopResult]: For program point dll_circular_get_data_atEXIT(lines 601 607) no Hoare annotation was computed. [2020-10-13 10:38:45,813 INFO L271 CegarLoopResult]: At program point dll_circular_get_data_atENTRY(lines 601 607) the Hoare annotation is: true [2020-10-13 10:38:45,813 INFO L264 CegarLoopResult]: At program point L602-2(lines 602 605) the Hoare annotation is: (let ((.cse0 (<= (+ dll_circular_get_data_at_~index 1) |dll_circular_get_data_at_#in~index|))) (or (and (= dll_circular_get_data_at_~head.offset |dll_circular_get_data_at_#in~head.offset|) (= |dll_circular_get_data_at_#in~index| dll_circular_get_data_at_~index) (= |dll_circular_get_data_at_#in~head.base| dll_circular_get_data_at_~head.base)) (and .cse0 (<= 1 |dll_circular_get_data_at_#in~index|) (= (select (select |#memory_$Pointer$.base| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|) dll_circular_get_data_at_~head.base) (= dll_circular_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|))) (and .cse0 (<= 2 |dll_circular_get_data_at_#in~index|)))) [2020-10-13 10:38:45,813 INFO L268 CegarLoopResult]: For program point L602-3(lines 602 605) no Hoare annotation was computed. [2020-10-13 10:38:45,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,853 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,863 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,913 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:38:45 BoogieIcfgContainer [2020-10-13 10:38:45,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:38:45,939 INFO L168 Benchmark]: Toolchain (without parser) took 71109.62 ms. Allocated memory was 140.0 MB in the beginning and 1.0 GB in the end (delta: 892.3 MB). Free memory was 101.7 MB in the beginning and 795.9 MB in the end (delta: -694.2 MB). Peak memory consumption was 885.8 MB. Max. memory is 7.1 GB. [2020-10-13 10:38:45,939 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 10:38:45,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.80 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 169.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-10-13 10:38:45,947 INFO L168 Benchmark]: Boogie Preprocessor took 69.10 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 166.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-13 10:38:45,950 INFO L168 Benchmark]: RCFGBuilder took 692.79 ms. Allocated memory is still 203.9 MB. Free memory was 165.9 MB in the beginning and 116.1 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. [2020-10-13 10:38:45,951 INFO L168 Benchmark]: TraceAbstraction took 69676.29 ms. Allocated memory was 203.9 MB in the beginning and 1.0 GB in the end (delta: 828.4 MB). Free memory was 116.1 MB in the beginning and 795.9 MB in the end (delta: -679.8 MB). Peak memory consumption was 836.3 MB. Max. memory is 7.1 GB. [2020-10-13 10:38:45,955 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.80 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 169.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.10 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 166.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 692.79 ms. Allocated memory is still 203.9 MB. Free memory was 165.9 MB in the beginning and 116.1 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69676.29 ms. Allocated memory was 203.9 MB in the beginning and 1.0 GB in the end (delta: 828.4 MB). Free memory was 116.1 MB in the beginning and 795.9 MB in the end (delta: -679.8 MB). Peak memory consumption was 836.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 632]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 609]: Loop Invariant [2020-10-13 10:38:45,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:45,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:45,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:45,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,997 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:45,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && index == \old(index)) && head == head) && \old(data) == data) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && index + 1 <= \old(index)) && 2 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((((\old(#memory_$Pointer$)[head][head] == head && #memory_$Pointer$ == \old(#memory_$Pointer$)) && index + 1 <= \old(index)) && 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && (((head == head + 8 && head == #memory_$Pointer$[head][head]) && head == #memory_$Pointer$[head][head]) || (head == #memory_$Pointer$[head][head] && \old(data) == data))) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index + 1) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant [2020-10-13 10:38:45,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((2 <= len && len <= new_data) && len <= i + 1) && len == unknown-#memory_int-unknown[s][8]) && new_data <= len) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1) || ((((2 <= len && i == 0) && len <= i + 2) && !(#memory_$Pointer$[s][s] == s)) && s == 0)) || (((((2 <= len && len <= i) && len == unknown-#memory_int-unknown[s][8]) && i <= 2) && s == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] + 1 == i + len) - InvariantResult [Line: 602]: Loop Invariant [2020-10-13 10:38:46,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((head == head && \old(index) == index) && head == head) || (((index + 1 <= \old(index) && 1 <= \old(index)) && #memory_$Pointer$[head][head] == head) && head == #memory_$Pointer$[head][head])) || (index + 1 <= \old(index) && 2 <= \old(index)) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant [2020-10-13 10:38:46,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((!(new_head == last) && #memory_$Pointer$[new_head][new_head] == 0) && #memory_$Pointer$[new_head][new_head] == last) && !(head == last)) && len + 1 == \old(len)) && #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head + 4 := last][head] == 0) && new_head == 0) && head == 0) && !(head == #memory_$Pointer$[head][head])) || ((((len == \old(len) && last == 0) && head == 0) && \valid[last] == 1) && head == last)) || !(\old(len) <= 2) - InvariantResult [Line: 624]: Loop Invariant [2020-10-13 10:38:46,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-13 10:38:46,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-13 10:38:46,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-13 10:38:46,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-13 10:38:46,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len <= 2 && 2 <= len) && len <= i) || (i <= 0 && len <= i)) || (((2 <= len && len <= i + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] + 1 == len * 2) && i <= 1)) || (((((i + len == unknown-#memory_int-unknown[s][8] && i == 0) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] + 1 == len * 2) && len <= i + 2) && s == 0) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 68.0s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 606 SDtfs, 827 SDslu, 2603 SDs, 0 SdLazy, 5335 SolverSat, 567 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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, 15 MinimizatonAttempts, 118 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 99 PreInvPairs, 142 NumberOfFragments, 754 HoareAnnotationTreeSize, 99 FomulaSimplifications, 2239 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 25 FomulaSimplificationsInter, 1674 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 56.0s InterpolantComputationTime, 850 NumberOfCodeBlocks, 850 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 245529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 228/290 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...