/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:42:52,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:42:52,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:42:52,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:42:52,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:42:52,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:42:52,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:42:52,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:42:52,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:42:52,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:42:52,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:42:52,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:42:52,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:42:52,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:42:52,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:42:52,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:42:52,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:42:52,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:42:52,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:42:52,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:42:52,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:42:52,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:42:52,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:42:52,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:42:52,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:42:52,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:42:52,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:42:52,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:42:52,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:42:52,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:42:52,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:42:52,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:42:52,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:42:52,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:42:52,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:42:52,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:42:52,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:42:52,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:42:52,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:42:52,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:42:52,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:42:52,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 23:42:52,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:42:52,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:42:52,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:42:52,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:42:52,528 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:42:52,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:42:52,528 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:42:52,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:42:52,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:42:52,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:42:52,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:42:52,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:42:52,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:42:52,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:42:52,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:42:52,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:42:52,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:42:52,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:42:52,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:42:52,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:42:52,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:42:52,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:42:52,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:42:52,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:42:52,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:42:52,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:42:52,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:42:52,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:42:52,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:42:52,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:42:52,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:42:52,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:42:52,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:42:52,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:42:52,871 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:42:52,872 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2020-10-14 23:42:52,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4ed0c700/fa1040f639d144f49930bde646d06123/FLAG5030d2872 [2020-10-14 23:42:53,461 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:42:53,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2020-10-14 23:42:53,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4ed0c700/fa1040f639d144f49930bde646d06123/FLAG5030d2872 [2020-10-14 23:42:53,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4ed0c700/fa1040f639d144f49930bde646d06123 [2020-10-14 23:42:53,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:42:53,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:42:53,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:42:53,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:42:53,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:42:53,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:42:53" (1/1) ... [2020-10-14 23:42:53,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27002348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:53, skipping insertion in model container [2020-10-14 23:42:53,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:42:53" (1/1) ... [2020-10-14 23:42:53,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:42:53,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:42:54,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:42:54,192 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:42:54,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:42:54,313 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:42:54,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54 WrapperNode [2020-10-14 23:42:54,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:42:54,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:42:54,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:42:54,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:42:54,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... [2020-10-14 23:42:54,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... [2020-10-14 23:42:54,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... [2020-10-14 23:42:54,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... [2020-10-14 23:42:54,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... [2020-10-14 23:42:54,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... [2020-10-14 23:42:54,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... [2020-10-14 23:42:54,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:42:54,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:42:54,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:42:54,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:42:54,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:42:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:42:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:42:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 23:42:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 23:42:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-14 23:42:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-14 23:42:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-10-14 23:42:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-10-14 23:42:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-10-14 23:42:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-10-14 23:42:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:42:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:42:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 23:42:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 23:42:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 23:42:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 23:42:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 23:42:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 23:42:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 23:42:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 23:42:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 23:42:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 23:42:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 23:42:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 23:42:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 23:42:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 23:42:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 23:42:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 23:42:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 23:42:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 23:42:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 23:42:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 23:42:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 23:42:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 23:42:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 23:42:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 23:42:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 23:42:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 23:42:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 23:42:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 23:42:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 23:42:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 23:42:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 23:42:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 23:42:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 23:42:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 23:42:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 23:42:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 23:42:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 23:42:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 23:42:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 23:42:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 23:42:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 23:42:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 23:42:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 23:42:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 23:42:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 23:42:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 23:42:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 23:42:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 23:42:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 23:42:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 23:42:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 23:42:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 23:42:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 23:42:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 23:42:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 23:42:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 23:42:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 23:42:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 23:42:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 23:42:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 23:42:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 23:42:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 23:42:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 23:42:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 23:42:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 23:42:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 23:42:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 23:42:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 23:42:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 23:42:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 23:42:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 23:42:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 23:42:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 23:42:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 23:42:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 23:42:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 23:42:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 23:42:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 23:42:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 23:42:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 23:42:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 23:42:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 23:42:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 23:42:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 23:42:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 23:42:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 23:42:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 23:42:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 23:42:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 23:42:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 23:42:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 23:42:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 23:42:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 23:42:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 23:42:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 23:42:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 23:42:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 23:42:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 23:42:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-14 23:42:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-14 23:42:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 23:42:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 23:42:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:42:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-10-14 23:42:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-10-14 23:42:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 23:42:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:42:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-10-14 23:42:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:42:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-10-14 23:42:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:42:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:42:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:42:54,863 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-14 23:42:54,988 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:42:54,988 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 23:42:54,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:42:54 BoogieIcfgContainer [2020-10-14 23:42:54,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:42:54,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:42:54,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:42:54,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:42:54,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:42:53" (1/3) ... [2020-10-14 23:42:54,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ff0a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:42:54, skipping insertion in model container [2020-10-14 23:42:54,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:42:54" (2/3) ... [2020-10-14 23:42:54,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ff0a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:42:54, skipping insertion in model container [2020-10-14 23:42:54,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:42:54" (3/3) ... [2020-10-14 23:42:55,000 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all.i [2020-10-14 23:42:55,010 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:42:55,017 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:42:55,031 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:42:55,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:42:55,052 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:42:55,052 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:42:55,052 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:42:55,052 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:42:55,053 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:42:55,053 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:42:55,053 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:42:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-10-14 23:42:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 23:42:55,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:55,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:42:55,079 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:55,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:55,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-10-14 23:42:55,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:55,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867177426] [2020-10-14 23:42:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 23:42:55,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:42:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 23:42:55,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 23:42:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 23:42:55,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:42:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:42:55,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:55,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:42:55,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:55,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 23:42:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:42:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:55,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:42:55,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 23:42:55,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:55,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:55,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:55,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:55,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 23:42:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:55,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:55,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:55,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:55,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 23:42:55,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:55,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:55,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:42:55,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:42:55,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867177426] [2020-10-14 23:42:55,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:42:55,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:42:55,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067960416] [2020-10-14 23:42:55,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:42:55,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:42:55,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:42:55,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:42:55,698 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 4 states. [2020-10-14 23:42:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:42:55,994 INFO L93 Difference]: Finished difference Result 128 states and 183 transitions. [2020-10-14 23:42:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:42:55,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-14 23:42:55,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:42:56,007 INFO L225 Difference]: With dead ends: 128 [2020-10-14 23:42:56,008 INFO L226 Difference]: Without dead ends: 69 [2020-10-14 23:42:56,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:42:56,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-14 23:42:56,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2020-10-14 23:42:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-14 23:42:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-10-14 23:42:56,061 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-10-14 23:42:56,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:42:56,062 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-10-14 23:42:56,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:42:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-10-14 23:42:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 23:42:56,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:56,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:42:56,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:42:56,065 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:56,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:56,066 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-10-14 23:42:56,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:56,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49294421] [2020-10-14 23:42:56,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:56,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:56,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 23:42:56,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:42:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-14 23:42:56,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:56,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 23:42:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:42:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:42:56,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 23:42:56,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:42:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:56,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:42:56,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:42:56,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:56,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:56,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:42:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:56,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:56,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:56,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:42:56,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 23:42:56,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:56,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:56,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:56,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:56,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:56,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 23:42:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:56,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:56,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:56,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:56,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:42:56,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:56,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:42:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:42:56,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49294421] [2020-10-14 23:42:56,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:42:56,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 23:42:56,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763403341] [2020-10-14 23:42:56,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 23:42:56,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:42:56,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 23:42:56,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 23:42:56,662 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 6 states. [2020-10-14 23:42:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:42:57,068 INFO L93 Difference]: Finished difference Result 92 states and 108 transitions. [2020-10-14 23:42:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 23:42:57,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-10-14 23:42:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:42:57,071 INFO L225 Difference]: With dead ends: 92 [2020-10-14 23:42:57,071 INFO L226 Difference]: Without dead ends: 79 [2020-10-14 23:42:57,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-14 23:42:57,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-14 23:42:57,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 43. [2020-10-14 23:42:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-14 23:42:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-10-14 23:42:57,084 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-10-14 23:42:57,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:42:57,085 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-10-14 23:42:57,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 23:42:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-10-14 23:42:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-14 23:42:57,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:57,086 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] [2020-10-14 23:42:57,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:42:57,087 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:57,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:57,087 INFO L82 PathProgramCache]: Analyzing trace with hash 856367100, now seen corresponding path program 1 times [2020-10-14 23:42:57,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:57,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281934893] [2020-10-14 23:42:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:57,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:57,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:57,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:57,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 23:42:58,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 23:42:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1708 [2020-10-14 23:42:58,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:42:58,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:42:58,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 23:42:58,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:42:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:42:58,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:42:58,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:42:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:58,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:42:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 23:42:58,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:58,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:42:58,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 23:42:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:58,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:42:58,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:42:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:42:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:42:58,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 23:42:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:58,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:58,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:42:58,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:42:58,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:42:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:42:58,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:42:58,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:42:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:42:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:42:58,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:42:58,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:42:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:42:58,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281934893] [2020-10-14 23:42:58,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:42:58,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 23:42:58,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321525036] [2020-10-14 23:42:58,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 23:42:58,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:42:58,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 23:42:58,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 23:42:58,960 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 8 states. [2020-10-14 23:42:59,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:42:59,429 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2020-10-14 23:42:59,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:42:59,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-10-14 23:42:59,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:42:59,432 INFO L225 Difference]: With dead ends: 96 [2020-10-14 23:42:59,433 INFO L226 Difference]: Without dead ends: 83 [2020-10-14 23:42:59,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:42:59,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-14 23:42:59,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 46. [2020-10-14 23:42:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-14 23:42:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2020-10-14 23:42:59,446 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 33 [2020-10-14 23:42:59,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:42:59,447 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2020-10-14 23:42:59,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 23:42:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2020-10-14 23:42:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 23:42:59,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:42:59,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:42:59,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 23:42:59,452 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:42:59,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:42:59,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1771715002, now seen corresponding path program 2 times [2020-10-14 23:42:59,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:42:59,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712035497] [2020-10-14 23:42:59,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:42:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:42:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:42:59,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:00,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:01,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 23:43:02,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 23:43:02,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2953 [2020-10-14 23:43:02,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:43:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 23:43:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:02,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:02,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:02,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:43:02,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 23:43:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:02,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:43:02,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:02,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:02,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 23:43:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:02,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:43:02,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:02,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:02,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:02,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:02,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:02,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 23:43:02,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712035497] [2020-10-14 23:43:02,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:43:02,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 23:43:02,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871465548] [2020-10-14 23:43:02,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:43:02,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:02,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:43:02,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:43:02,576 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 9 states. [2020-10-14 23:43:02,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:02,862 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2020-10-14 23:43:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:43:02,863 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-14 23:43:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:02,864 INFO L225 Difference]: With dead ends: 79 [2020-10-14 23:43:02,864 INFO L226 Difference]: Without dead ends: 50 [2020-10-14 23:43:02,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 23:43:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-14 23:43:02,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2020-10-14 23:43:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-14 23:43:02,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2020-10-14 23:43:02,874 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 41 [2020-10-14 23:43:02,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:02,874 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2020-10-14 23:43:02,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:43:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2020-10-14 23:43:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 23:43:02,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:02,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:02,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 23:43:02,876 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:02,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:02,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1095530031, now seen corresponding path program 1 times [2020-10-14 23:43:02,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:02,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036243302] [2020-10-14 23:43:02,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:02,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:02,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:03,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:04,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:05,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:06,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 23:43:06,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:43:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3312 [2020-10-14 23:43:06,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:06,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-14 23:43:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:06,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:06,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:06,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:06,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:06,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:06,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:06,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:06,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:06,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:06,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:06,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:06,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:06,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:43:06,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:06,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 23:43:06,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:06,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 23:43:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:06,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:06,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:06,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:06,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:43:06,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:06,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:06,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:06,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:06,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:06,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:06,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:43:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:06,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:06,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:06,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:43:06,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:06,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:43:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:06,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:06,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:06,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 23:43:06,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:06,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:06,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:06,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:06,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:06,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:06,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:06,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:06,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:06,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:06,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:06,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:06,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 23:43:06,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036243302] [2020-10-14 23:43:06,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:06,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:06,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87313775] [2020-10-14 23:43:06,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:06,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:06,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:06,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:06,449 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 10 states. [2020-10-14 23:43:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:06,792 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2020-10-14 23:43:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 23:43:06,793 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2020-10-14 23:43:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:06,794 INFO L225 Difference]: With dead ends: 75 [2020-10-14 23:43:06,794 INFO L226 Difference]: Without dead ends: 62 [2020-10-14 23:43:06,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2020-10-14 23:43:06,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-14 23:43:06,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 51. [2020-10-14 23:43:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-14 23:43:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2020-10-14 23:43:06,804 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 50 [2020-10-14 23:43:06,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:06,804 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2020-10-14 23:43:06,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2020-10-14 23:43:06,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 23:43:06,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:06,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:06,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 23:43:06,806 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:06,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:06,807 INFO L82 PathProgramCache]: Analyzing trace with hash -892575206, now seen corresponding path program 1 times [2020-10-14 23:43:06,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:06,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276389969] [2020-10-14 23:43:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:06,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:06,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:07,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:07,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:08,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:11,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:11,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 23:43:11,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:43:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4835 [2020-10-14 23:43:11,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:11,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 23:43:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:43:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 23:43:11,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:11,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:11,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:11,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:11,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:11,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:11,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:11,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:11,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:11,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:12,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:12,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:12,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 23:43:12,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:12,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:12,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:12,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:43:12,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:12,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 23:43:12,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:12,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:12,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:12,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:12,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 23:43:12,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:12,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:12,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:12,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:12,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:12,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 23:43:12,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:12,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:43:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:12,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:12,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:12,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:12,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:43:12,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:12,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:12,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:43:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:12,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:12,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:12,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:12,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:12,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:12,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 23:43:12,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:12,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:12,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:12,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:12,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:43:12,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:12,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 23:43:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:12,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:12,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:12,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:12,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:43:12,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:12,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 23:43:12,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276389969] [2020-10-14 23:43:12,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:12,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 23:43:12,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84043249] [2020-10-14 23:43:12,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 23:43:12,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:12,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 23:43:12,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2020-10-14 23:43:12,573 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 25 states. [2020-10-14 23:43:15,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:15,161 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2020-10-14 23:43:15,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-14 23:43:15,162 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 51 [2020-10-14 23:43:15,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:15,165 INFO L225 Difference]: With dead ends: 144 [2020-10-14 23:43:15,165 INFO L226 Difference]: Without dead ends: 142 [2020-10-14 23:43:15,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=434, Invalid=2872, Unknown=0, NotChecked=0, Total=3306 [2020-10-14 23:43:15,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-14 23:43:15,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 107. [2020-10-14 23:43:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-14 23:43:15,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 136 transitions. [2020-10-14 23:43:15,217 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 136 transitions. Word has length 51 [2020-10-14 23:43:15,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:15,218 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 136 transitions. [2020-10-14 23:43:15,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 23:43:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 136 transitions. [2020-10-14 23:43:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 23:43:15,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:15,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:15,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 23:43:15,224 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:15,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:15,225 INFO L82 PathProgramCache]: Analyzing trace with hash 444682887, now seen corresponding path program 1 times [2020-10-14 23:43:15,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:15,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874450117] [2020-10-14 23:43:15,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:15,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:15,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:15,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:15,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:16,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:16,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:16,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:17,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:19,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 23:43:19,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 23:43:19,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4219 [2020-10-14 23:43:19,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:19,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:19,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:43:19,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 23:43:19,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 23:43:19,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:19,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:19,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:19,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:19,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:19,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:19,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:19,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:43:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 23:43:19,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:19,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 23:43:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:19,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:19,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:19,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:19,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:19,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:43:19,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:19,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:19,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:43:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:19,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:19,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:19,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:19,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:19,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:19,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 23:43:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:19,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:19,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:19,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:19,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:43:19,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:19,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:19,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:19,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:19,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:19,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:19,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 23:43:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:19,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:19,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:19,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:19,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:19,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:43:19,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:19,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 23:43:19,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874450117] [2020-10-14 23:43:19,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:19,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 23:43:19,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193946747] [2020-10-14 23:43:19,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 23:43:19,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:19,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 23:43:19,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-14 23:43:19,686 INFO L87 Difference]: Start difference. First operand 107 states and 136 transitions. Second operand 12 states. [2020-10-14 23:43:20,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:20,101 INFO L93 Difference]: Finished difference Result 154 states and 195 transitions. [2020-10-14 23:43:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 23:43:20,102 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-10-14 23:43:20,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:20,104 INFO L225 Difference]: With dead ends: 154 [2020-10-14 23:43:20,104 INFO L226 Difference]: Without dead ends: 103 [2020-10-14 23:43:20,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-10-14 23:43:20,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-14 23:43:20,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 90. [2020-10-14 23:43:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 23:43:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 112 transitions. [2020-10-14 23:43:20,130 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 112 transitions. Word has length 52 [2020-10-14 23:43:20,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:20,131 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 112 transitions. [2020-10-14 23:43:20,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 23:43:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2020-10-14 23:43:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 23:43:20,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:20,137 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:20,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 23:43:20,137 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:20,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:20,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1434423827, now seen corresponding path program 2 times [2020-10-14 23:43:20,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:20,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034180365] [2020-10-14 23:43:20,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:20,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:20,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:20,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:21,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:21,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:21,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:22,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:22,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:22,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 23:43:25,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-14 23:43:25,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 23:43:25,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 23:43:25,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:25,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:25,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:25,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:25,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:25,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:25,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:25,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 23:43:25,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 23:43:25,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 23:43:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:25,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:25,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:25,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:25,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:25,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 23:43:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:25,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:25,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:43:25,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:25,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:25,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:25,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:25,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 23:43:25,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:25,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:25,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:25,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:25,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:25,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:43:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:25,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:25,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:25,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:25,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:25,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:25,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:25,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:25,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:25,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:25,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:25,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 23:43:25,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034180365] [2020-10-14 23:43:25,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:43:25,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 23:43:25,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149276991] [2020-10-14 23:43:25,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 23:43:25,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:25,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 23:43:25,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 23:43:25,324 INFO L87 Difference]: Start difference. First operand 90 states and 112 transitions. Second operand 9 states. [2020-10-14 23:43:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:25,545 INFO L93 Difference]: Finished difference Result 133 states and 161 transitions. [2020-10-14 23:43:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 23:43:25,546 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-14 23:43:25,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:25,547 INFO L225 Difference]: With dead ends: 133 [2020-10-14 23:43:25,547 INFO L226 Difference]: Without dead ends: 65 [2020-10-14 23:43:25,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 23:43:25,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-14 23:43:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-10-14 23:43:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-14 23:43:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2020-10-14 23:43:25,557 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 60 [2020-10-14 23:43:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:25,557 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2020-10-14 23:43:25,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 23:43:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2020-10-14 23:43:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-14 23:43:25,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:25,558 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:25,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 23:43:25,558 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:25,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:25,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1020300315, now seen corresponding path program 3 times [2020-10-14 23:43:25,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:25,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896924677] [2020-10-14 23:43:25,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:25,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:26,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:26,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 23:43:26,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 652 [2020-10-14 23:43:26,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:26,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 23:43:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 23:43:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 23:43:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:26,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:26,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:26,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:26,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:26,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:26,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:26,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:26,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:26,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 23:43:26,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:26,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 23:43:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:43:26,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:26,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:26,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:26,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:26,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:26,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:43:26,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:26,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:43:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:26,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:26,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:26,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:26,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:26,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:26,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 23:43:26,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:26,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:26,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:26,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:26,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:43:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:26,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:26,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:26,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:26,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 23:43:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:26,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:43:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:43:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:27,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:27,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:27,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:27,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:43:27,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:27,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 23:43:27,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896924677] [2020-10-14 23:43:27,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:27,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 23:43:27,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949265434] [2020-10-14 23:43:27,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 23:43:27,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:27,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 23:43:27,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2020-10-14 23:43:27,174 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand 29 states. [2020-10-14 23:43:28,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:28,833 INFO L93 Difference]: Finished difference Result 87 states and 102 transitions. [2020-10-14 23:43:28,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 23:43:28,835 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 60 [2020-10-14 23:43:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:28,837 INFO L225 Difference]: With dead ends: 87 [2020-10-14 23:43:28,837 INFO L226 Difference]: Without dead ends: 85 [2020-10-14 23:43:28,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=184, Invalid=2072, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 23:43:28,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-14 23:43:28,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2020-10-14 23:43:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-14 23:43:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 90 transitions. [2020-10-14 23:43:28,848 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 90 transitions. Word has length 60 [2020-10-14 23:43:28,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:28,849 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 90 transitions. [2020-10-14 23:43:28,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 23:43:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2020-10-14 23:43:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 23:43:28,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:28,850 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:28,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 23:43:28,851 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:28,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:28,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1439545990, now seen corresponding path program 4 times [2020-10-14 23:43:28,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:28,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29958758] [2020-10-14 23:43:28,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:28,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:28,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:28,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:29,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:29,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:30,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:30,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 23:43:30,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 23:43:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2123 [2020-10-14 23:43:30,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:30,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 23:43:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 23:43:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 23:43:30,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:31,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:31,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:31,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:31,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:31,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:31,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:31,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:31,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:31,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:31,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:31,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 23:43:31,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:31,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:31,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:31,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:31,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:31,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 23:43:31,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:31,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:31,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:31,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:31,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:31,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:31,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 23:43:31,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:31,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:31,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:31,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:31,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:31,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:43:31,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:31,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 23:43:31,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:31,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 23:43:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 23:43:31,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:32,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 23:43:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:32,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:32,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:32,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:32,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:32,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:43:32,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:32,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:32,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:32,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 23:43:32,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29958758] [2020-10-14 23:43:32,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:32,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 23:43:32,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637121162] [2020-10-14 23:43:32,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 23:43:32,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:32,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 23:43:32,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=862, Unknown=0, NotChecked=0, Total=930 [2020-10-14 23:43:32,192 INFO L87 Difference]: Start difference. First operand 77 states and 90 transitions. Second operand 31 states. [2020-10-14 23:43:34,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:34,289 INFO L93 Difference]: Finished difference Result 111 states and 139 transitions. [2020-10-14 23:43:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 23:43:34,289 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2020-10-14 23:43:34,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:34,291 INFO L225 Difference]: With dead ends: 111 [2020-10-14 23:43:34,291 INFO L226 Difference]: Without dead ends: 109 [2020-10-14 23:43:34,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=198, Invalid=2252, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 23:43:34,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-14 23:43:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2020-10-14 23:43:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-14 23:43:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2020-10-14 23:43:34,305 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 61 [2020-10-14 23:43:34,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:34,305 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2020-10-14 23:43:34,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 23:43:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2020-10-14 23:43:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 23:43:34,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:34,306 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:34,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 23:43:34,307 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:34,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:34,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1590803278, now seen corresponding path program 5 times [2020-10-14 23:43:34,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:34,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399517521] [2020-10-14 23:43:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:34,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:34,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:34,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:34,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:34,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 23:43:34,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:43:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 572 [2020-10-14 23:43:34,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:34,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 23:43:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:34,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:34,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:34,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:34,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:34,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:34,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:34,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:34,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:34,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:34,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:34,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:34,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:34,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:34,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:34,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:34,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 23:43:34,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:34,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:34,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:34,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:35,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:35,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:35,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 23:43:35,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:43:35,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 23:43:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:35,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:35,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 23:43:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 23:43:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:35,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:35,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:35,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:35,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:35,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:35,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 23:43:35,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399517521] [2020-10-14 23:43:35,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:35,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:35,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240993096] [2020-10-14 23:43:35,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:35,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:35,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:35,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:35,077 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand 10 states. [2020-10-14 23:43:35,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:35,360 INFO L93 Difference]: Finished difference Result 134 states and 162 transitions. [2020-10-14 23:43:35,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 23:43:35,360 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2020-10-14 23:43:35,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:35,362 INFO L225 Difference]: With dead ends: 134 [2020-10-14 23:43:35,362 INFO L226 Difference]: Without dead ends: 91 [2020-10-14 23:43:35,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-14 23:43:35,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-14 23:43:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-14 23:43:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-14 23:43:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 107 transitions. [2020-10-14 23:43:35,374 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 107 transitions. Word has length 61 [2020-10-14 23:43:35,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:35,377 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 107 transitions. [2020-10-14 23:43:35,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 107 transitions. [2020-10-14 23:43:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 23:43:35,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:35,378 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-14 23:43:35,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 23:43:35,379 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:35,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:35,379 INFO L82 PathProgramCache]: Analyzing trace with hash 385370117, now seen corresponding path program 6 times [2020-10-14 23:43:35,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:35,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202247870] [2020-10-14 23:43:35,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:35,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:35,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 23:43:36,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 23:43:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-10-14 23:43:36,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 23:43:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:36,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:36,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:36,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:36,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:36,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:36,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:36,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 23:43:36,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:36,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:36,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:36,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:36,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:36,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:36,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:36,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:36,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:36,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:36,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:36,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 23:43:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:36,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:36,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 23:43:36,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202247870] [2020-10-14 23:43:36,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:36,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:36,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77585578] [2020-10-14 23:43:36,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:36,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:36,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:36,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:36,444 INFO L87 Difference]: Start difference. First operand 91 states and 107 transitions. Second operand 10 states. [2020-10-14 23:43:36,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:36,781 INFO L93 Difference]: Finished difference Result 114 states and 132 transitions. [2020-10-14 23:43:36,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 23:43:36,781 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-14 23:43:36,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:36,782 INFO L225 Difference]: With dead ends: 114 [2020-10-14 23:43:36,782 INFO L226 Difference]: Without dead ends: 76 [2020-10-14 23:43:36,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-14 23:43:36,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-14 23:43:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 63. [2020-10-14 23:43:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-14 23:43:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2020-10-14 23:43:36,791 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 62 [2020-10-14 23:43:36,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:36,791 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2020-10-14 23:43:36,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2020-10-14 23:43:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-14 23:43:36,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:36,792 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:36,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 23:43:36,793 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:36,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:36,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1782509872, now seen corresponding path program 1 times [2020-10-14 23:43:36,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:36,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079406952] [2020-10-14 23:43:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:36,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:36,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:37,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:38,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:38,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-14 23:43:38,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 23:43:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1929 [2020-10-14 23:43:38,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:38,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 23:43:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 23:43:38,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:38,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:38,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:38,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:38,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:38,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:38,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:38,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:38,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:38,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:38,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:38,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 23:43:38,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:38,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:38,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:38,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:38,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:38,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:39,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:39,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:39,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:39,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:39,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:39,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:39,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:39,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:39,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:39,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:39,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:39,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:39,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:39,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:39,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:39,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:39,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:39,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:43:39,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:39,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:39,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:39,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:39,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:39,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:39,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:39,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:39,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:39,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 23:43:39,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:39,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:43:39,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:39,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:39,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:39,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:43:39,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:39,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:39,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 23:43:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:39,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:39,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 23:43:39,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079406952] [2020-10-14 23:43:39,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:39,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 23:43:39,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374129101] [2020-10-14 23:43:39,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 23:43:39,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:39,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 23:43:39,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2020-10-14 23:43:39,292 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 25 states. [2020-10-14 23:43:40,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:40,244 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2020-10-14 23:43:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 23:43:40,244 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 70 [2020-10-14 23:43:40,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:40,245 INFO L225 Difference]: With dead ends: 67 [2020-10-14 23:43:40,245 INFO L226 Difference]: Without dead ends: 63 [2020-10-14 23:43:40,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=233, Invalid=1407, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 23:43:40,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-14 23:43:40,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-14 23:43:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-14 23:43:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2020-10-14 23:43:40,260 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 70 [2020-10-14 23:43:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:40,260 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2020-10-14 23:43:40,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 23:43:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2020-10-14 23:43:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 23:43:40,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:40,264 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:40,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 23:43:40,264 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:40,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:40,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1767941681, now seen corresponding path program 1 times [2020-10-14 23:43:40,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:40,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48666829] [2020-10-14 23:43:40,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:40,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:40,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:41,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:43,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:43,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:44,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 23:43:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:45,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:45,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:45,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:45,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:45,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 23:43:45,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:45,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 23:43:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:45,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:45,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:45,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:45,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:45,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:43:45,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:45,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:45,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 23:43:45,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:45,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 23:43:45,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:45,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:45,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:45,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:45,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:45,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:45,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 23:43:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:45,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 23:43:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:45,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 23:43:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 23:43:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 23:43:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:46,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:46,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:46,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:46,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:46,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:43:46,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:46,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 23:43:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:46,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:46,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:46,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:46,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:46,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 23:43:46,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:46,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 23:43:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:43:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:43:46,520 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 23:43:46,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48666829] [2020-10-14 23:43:46,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:46,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-14 23:43:46,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42771225] [2020-10-14 23:43:46,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 23:43:46,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:46,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 23:43:46,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2020-10-14 23:43:46,522 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 28 states. [2020-10-14 23:43:48,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:48,078 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2020-10-14 23:43:48,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 23:43:48,078 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 71 [2020-10-14 23:43:48,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:48,079 INFO L225 Difference]: With dead ends: 71 [2020-10-14 23:43:48,079 INFO L226 Difference]: Without dead ends: 64 [2020-10-14 23:43:48,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=204, Invalid=1958, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 23:43:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-14 23:43:48,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-14 23:43:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-14 23:43:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-10-14 23:43:48,088 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 71 [2020-10-14 23:43:48,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:48,088 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-10-14 23:43:48,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 23:43:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-10-14 23:43:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-14 23:43:48,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:43:48,090 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:43:48,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 23:43:48,090 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:43:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:43:48,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1316327760, now seen corresponding path program 2 times [2020-10-14 23:43:48,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:43:48,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456479940] [2020-10-14 23:43:48,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:43:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:48,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:48,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:49,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:50,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:50,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:50,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:51,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 23:43:53,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 23:43:53,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 23:43:53,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 23:43:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:43:53,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 23:43:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:43:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:43:53,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:53,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:43:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:43:53,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:43:53,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 23:43:53,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 23:43:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 23:43:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:53,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:53,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 23:43:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:43:53,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 23:43:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:53,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:53,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 23:43:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:43:53,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 23:43:53,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 23:43:53,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 23:43:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:43:53,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 23:43:53,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:43:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:43:53,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 23:43:53,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 23:43:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:43:53,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:43:53,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 23:43:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 23:43:53,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 23:43:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-14 23:43:53,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456479940] [2020-10-14 23:43:53,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 23:43:53,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 23:43:53,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349148912] [2020-10-14 23:43:53,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 23:43:53,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:43:53,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 23:43:53,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 23:43:53,313 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 10 states. [2020-10-14 23:43:53,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:43:53,564 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2020-10-14 23:43:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 23:43:53,566 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-10-14 23:43:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:43:53,566 INFO L225 Difference]: With dead ends: 64 [2020-10-14 23:43:53,566 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 23:43:53,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-10-14 23:43:53,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 23:43:53,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 23:43:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 23:43:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 23:43:53,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-10-14 23:43:53,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:43:53,568 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 23:43:53,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 23:43:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 23:43:53,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 23:43:53,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 23:43:53,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 23:43:53,685 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2020-10-14 23:43:54,143 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2020-10-14 23:43:54,376 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2020-10-14 23:43:54,598 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-10-14 23:43:54,886 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2020-10-14 23:43:55,021 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 41 [2020-10-14 23:43:55,241 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 38 [2020-10-14 23:43:55,246 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:43:55,247 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:55,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:43:55,247 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-10-14 23:43:55,247 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-10-14 23:43:55,247 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-10-14 23:43:55,247 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-10-14 23:43:55,247 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-10-14 23:43:55,247 INFO L264 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-14 23:43:55,247 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-10-14 23:43:55,247 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-10-14 23:43:55,248 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (and (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse2 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse4 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and .cse0 (= |sll_update_at_#in~head.base| sll_update_at_~head.base) .cse1 (<= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse2 (<= sll_update_at_~head.offset |sll_update_at_#in~head.offset|)) (let ((.cse3 (+ |sll_update_at_#in~head.offset| 4))) (and .cse0 .cse1 .cse2 (<= 1 |sll_update_at_#in~index|) (= sll_update_at_~head.offset (select (select |old(#memory_$Pointer$.offset)| |sll_update_at_#in~head.base|) .cse3)) .cse4 (= (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse3) sll_update_at_~head.base))) (and .cse0 .cse1 .cse2 .cse4 (<= 2 |sll_update_at_#in~index|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 23:43:55,248 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-10-14 23:43:55,248 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-10-14 23:43:55,248 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 23:43:55,248 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:43:55,248 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:43:55,249 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-14 23:43:55,249 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= sll_create_~head~0.offset 0))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and .cse0 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (not (= (select |#valid| sll_create_~head~0.base) 0))))) [2020-10-14 23:43:55,249 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-10-14 23:43:55,249 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-10-14 23:43:55,249 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-10-14 23:43:55,249 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse2 (= sll_create_~head~0.offset 0)) (.cse0 (select |#memory_$Pointer$.base| sll_create_~head~0.base)) (.cse3 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0)) (.cse1 (select |#valid| sll_create_~head~0.base))) (or (and (= |sll_create_#in~len| (+ sll_create_~len 1)) (= (select .cse0 4) 0) (= .cse1 1) .cse2 .cse3) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse2 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and (<= 0 sll_create_~head~0.offset) (not (= sll_create_~head~0.base (select .cse0 (+ sll_create_~head~0.offset 4)))) .cse3 (not (= .cse1 0)) (<= sll_create_~head~0.offset 0)))) [2020-10-14 23:43:55,249 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-10-14 23:43:55,250 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:55,250 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-10-14 23:43:55,250 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:43:55,250 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:43:55,250 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-14 23:43:55,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 23:43:55,250 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 23:43:55,250 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 23:43:55,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 23:43:55,251 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-10-14 23:43:55,251 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-10-14 23:43:55,251 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (let ((.cse0 (= |sll_get_data_at_#in~index| sll_get_data_at_~index))) (and (or .cse0 (<= 1 |sll_get_data_at_#in~index|)) (let ((.cse1 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and .cse1 (<= 2 |sll_get_data_at_#in~index|)) (and .cse0 (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (<= |sll_get_data_at_#in~head.offset| sll_get_data_at_~head.offset) (<= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)) (let ((.cse2 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse2) sll_get_data_at_~head.offset) .cse1 (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse2)))))))) [2020-10-14 23:43:55,251 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-10-14 23:43:55,251 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-10-14 23:43:55,251 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse0 (= (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4) 0)) (.cse1 (<= (+ main_~i~0 (* 2 main_~len~0)) (+ main_~new_data~0 2))) (.cse3 (<= 2 main_~len~0)) (.cse2 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) main_~s~0.base))) (.cse4 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= main_~len~0 (+ main_~i~0 1)) (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (<= main_~new_data~0 (+ main_~len~0 1)) .cse4) (and .cse0 .cse1 .cse3 .cse2 (<= 0 main_~i~0) (<= main_~new_data~0 main_~len~0) .cse4))) [2020-10-14 23:43:55,251 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-10-14 23:43:55,251 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-10-14 23:43:55,251 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse7 (select |#memory_$Pointer$.offset| main_~s~0.base))) (let ((.cse2 (<= main_~len~0 2)) (.cse1 (= (select .cse7 4) 0)) (.cse3 (<= 2 main_~len~0)) (.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse4 (= main_~s~0.offset 0)) (.cse5 (or (< main_~len~0 2) (= (* main_~len~0 2) (+ (let ((.cse6 (+ main_~s~0.offset 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6)) (select .cse7 .cse6))) 1))))) (or (and (<= main_~len~0 .cse0) .cse1 .cse2 .cse3 (<= main_~len~0 (+ main_~i~0 1)) .cse4 .cse5) (and .cse2 .cse3 (<= main_~len~0 main_~i~0)) (and .cse1 .cse3 (= main_~len~0 .cse0) (= (+ main_~i~0 main_~len~0) .cse0) (<= main_~len~0 (+ main_~i~0 2)) .cse4 .cse5)))) [2020-10-14 23:43:55,252 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-10-14 23:43:55,252 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:55,252 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4))) (let ((.cse4 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6)) (.cse5 (select |#memory_$Pointer$.offset| main_~s~0.base)) (.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse3 (<= 2 main_~len~0)) (.cse7 (= main_~len~0 .cse0)) (.cse1 (= (select .cse5 4) 0)) (.cse2 (<= main_~len~0 2)) (.cse10 (not (= .cse4 main_~s~0.base))) (.cse8 (= main_~s~0.offset 0))) (or (and (<= main_~i~0 .cse0) .cse1 .cse2 .cse3 (<= main_~len~0 main_~i~0) (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse4) (select .cse5 .cse6)) 1)) .cse7 .cse8) (let ((.cse9 (+ main_~i~0 1))) (and .cse1 (<= .cse9 main_~len~0) .cse2 .cse3 .cse10 (<= main_~len~0 main_~new_data~0) (<= main_~len~0 .cse9) .cse7 (<= main_~new_data~0 main_~len~0) .cse8)) (and .cse1 .cse2 .cse10 (<= (+ main_~i~0 2) main_~len~0) (<= 0 main_~i~0) .cse8))))) [2020-10-14 23:43:55,252 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-10-14 23:43:55,252 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-14 23:43:55,252 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-10-14 23:43:55,252 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-10-14 23:43:55,252 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-10-14 23:43:55,253 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-10-14 23:43:55,253 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:55,253 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-10-14 23:43:55,253 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse8 (select |#memory_$Pointer$.offset| main_~s~0.base))) (let ((.cse5 (<= main_~i~0 1)) (.cse7 (let ((.cse9 (+ main_~s~0.offset 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9)) (select .cse8 .cse9))))) (let ((.cse3 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse0 (= (select .cse8 4) 0)) (.cse1 (or (and (not (= main_~i~0 1)) .cse5) (= .cse7 main_~expected~0))) (.cse2 (<= 2 main_~len~0)) (.cse4 (= main_~s~0.offset 0)) (.cse6 (or (< main_~len~0 2) (= (* main_~len~0 2) (+ .cse7 1))))) (or (and .cse0 .cse1 .cse2 (= .cse3 main_~expected~0) (= (+ main_~i~0 main_~len~0) .cse3) (<= main_~len~0 (+ main_~i~0 2)) .cse4 .cse5 .cse6) (and (<= main_~len~0 .cse3) .cse0 .cse1 .cse2 (<= main_~len~0 (+ main_~i~0 1)) .cse4 .cse6 .cse5))))) [2020-10-14 23:43:55,253 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-10-14 23:43:55,253 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-10-14 23:43:55,253 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 23:43:55,253 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-10-14 23:43:55,254 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-10-14 23:43:55,254 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-10-14 23:43:55,254 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-10-14 23:43:55,254 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-10-14 23:43:55,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:43:55 BoogieIcfgContainer [2020-10-14 23:43:55,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:43:55,337 INFO L168 Benchmark]: Toolchain (without parser) took 61628.36 ms. Allocated memory was 139.5 MB in the beginning and 876.1 MB in the end (delta: 736.6 MB). Free memory was 100.1 MB in the beginning and 223.7 MB in the end (delta: -123.6 MB). Peak memory consumption was 613.1 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,338 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 139.5 MB. Free memory was 119.4 MB in the beginning and 119.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.00 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 99.7 MB in the beginning and 167.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,339 INFO L168 Benchmark]: Boogie Preprocessor took 68.88 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 164.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,340 INFO L168 Benchmark]: RCFGBuilder took 604.03 ms. Allocated memory is still 201.3 MB. Free memory was 164.0 MB in the beginning and 116.3 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,340 INFO L168 Benchmark]: TraceAbstraction took 60341.19 ms. Allocated memory was 201.3 MB in the beginning and 876.1 MB in the end (delta: 674.8 MB). Free memory was 115.3 MB in the beginning and 223.7 MB in the end (delta: -108.4 MB). Peak memory consumption was 566.4 MB. Max. memory is 7.1 GB. [2020-10-14 23:43:55,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 139.5 MB. Free memory was 119.4 MB in the beginning and 119.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 605.00 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 99.7 MB in the beginning and 167.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.88 ms. Allocated memory is still 201.3 MB. Free memory was 167.0 MB in the beginning and 164.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 604.03 ms. Allocated memory is still 201.3 MB. Free memory was 164.0 MB in the beginning and 116.3 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60341.19 ms. Allocated memory was 201.3 MB in the beginning and 876.1 MB in the end (delta: 674.8 MB). Free memory was 115.3 MB in the beginning and 223.7 MB in the end (delta: -108.4 MB). Peak memory consumption was 566.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 589]: Loop Invariant [2020-10-14 23:43:55,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,360 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,360 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (\old(index) == index || 1 <= \old(index)) && (((index + 1 <= \old(index) && 2 <= \old(index)) || (((\old(index) == index && head == head) && head <= head) && head <= head)) || ((#memory_$Pointer$[head][head + 4] == head && index + 1 <= \old(index)) && head == #memory_$Pointer$[head][head + 4])) - InvariantResult [Line: 611]: Loop Invariant [2020-10-14 23:43:55,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((len <= unknown-#memory_int-unknown[s][s] && #memory_$Pointer$[s][4] == 0) && len <= 2) && 2 <= len) && len <= i + 1) && s == 0) && (len < 2 || len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1)) || ((len <= 2 && 2 <= len) && len <= i)) || ((((((#memory_$Pointer$[s][4] == 0 && 2 <= len) && len == unknown-#memory_int-unknown[s][s]) && i + len == unknown-#memory_int-unknown[s][s]) && len <= i + 2) && s == 0) && (len < 2 || len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1)) - InvariantResult [Line: 596]: Loop Invariant [2020-10-14 23:43:55,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,378 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)) && head <= head) && \old(index) == index) && data == \old(data)) && head <= head) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && 1 <= \old(index)) && head == \old(#memory_$Pointer$)[head][head + 4]) && index + 1 <= \old(index)) && #memory_$Pointer$[head][head + 4] == head)) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && index + 1 <= \old(index)) && 2 <= \old(index))) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 607]: Loop Invariant [2020-10-14 23:43:55,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((i <= unknown-#memory_int-unknown[s][s] && #memory_$Pointer$[s][4] == 0) && len <= 2) && 2 <= len) && len <= i) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len == unknown-#memory_int-unknown[s][s]) && s == 0) || (((((((((#memory_$Pointer$[s][4] == 0 && i + 1 <= len) && len <= 2) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && len <= new_data) && len <= i + 1) && len == unknown-#memory_int-unknown[s][s]) && new_data <= len) && s == 0)) || (((((#memory_$Pointer$[s][4] == 0 && len <= 2) && !(#memory_$Pointer$[s][s + 4] == s)) && i + 2 <= len) && 0 <= i) && s == 0) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-10-14 23:43:55,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 23:43:55,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 23:43:55,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-14 23:43:55,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 23:43:55,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 23:43:55,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((\old(len) == len + 1 && #memory_$Pointer$[head][4] == 0) && \valid[head] == 1) && head == 0) && #memory_$Pointer$[head][4] == 0) || (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && head == 0) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || ((((0 <= head && !(head == #memory_$Pointer$[head][head + 4])) && #memory_$Pointer$[head][4] == 0) && !(\valid[head] == 0)) && head <= 0) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.5s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 1129 SDslu, 2835 SDs, 0 SdLazy, 6866 SolverSat, 816 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 363 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2028 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=6, 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, 200 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 92 PreInvPairs, 152 NumberOfFragments, 902 HoareAnnotationTreeSize, 92 FomulaSimplifications, 42677 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 24 FomulaSimplificationsInter, 2554 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 45.4s InterpolantComputationTime, 794 NumberOfCodeBlocks, 794 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 310861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 188/292 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...