/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/eca-rers2012/Problem05_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:48:39,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:48:39,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:48:39,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:48:39,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:48:39,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:48:39,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:48:39,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:48:39,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:48:39,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:48:39,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:48:39,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:48:39,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:48:39,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:48:39,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:48:39,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:48:39,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:48:39,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:48:39,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:48:39,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:48:39,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:48:39,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:48:39,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:48:39,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:48:39,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:48:39,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:48:39,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:48:39,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:48:39,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:48:39,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:48:39,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:48:39,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:48:39,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:48:39,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:48:39,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:48:39,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:48:39,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:48:39,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:48:39,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:48:39,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:48:39,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:48:39,748 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 19:48:39,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:48:39,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:48:39,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:48:39,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:48:39,793 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:48:39,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:48:39,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:48:39,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:48:39,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:48:39,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:48:39,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:48:39,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:48:39,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:48:39,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:48:39,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:48:39,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:48:39,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:48:39,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:48:39,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:48:39,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:48:39,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:48:39,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:48:39,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:48:39,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:48:39,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:48:39,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:48:39,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:48:39,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:48:39,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:48:39,800 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 19:48:40,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:48:40,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:48:40,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:48:40,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:48:40,148 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:48:40,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label53.c [2020-10-14 19:48:40,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51799b550/cbc9e7288c9b4e8ba225341944a31357/FLAGd8d45c3d2 [2020-10-14 19:48:41,109 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:48:41,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem05_label53.c [2020-10-14 19:48:41,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51799b550/cbc9e7288c9b4e8ba225341944a31357/FLAGd8d45c3d2 [2020-10-14 19:48:41,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51799b550/cbc9e7288c9b4e8ba225341944a31357 [2020-10-14 19:48:41,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:48:41,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:48:41,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:48:41,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:48:41,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:48:41,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:48:41" (1/1) ... [2020-10-14 19:48:41,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5d5e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:41, skipping insertion in model container [2020-10-14 19:48:41,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:48:41" (1/1) ... [2020-10-14 19:48:41,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:48:41,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:48:44,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:48:44,172 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:48:45,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:48:45,566 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:48:45,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45 WrapperNode [2020-10-14 19:48:45,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:48:45,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:48:45,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:48:45,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:48:45,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (1/1) ... [2020-10-14 19:48:45,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (1/1) ... [2020-10-14 19:48:45,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (1/1) ... [2020-10-14 19:48:45,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (1/1) ... [2020-10-14 19:48:45,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (1/1) ... [2020-10-14 19:48:45,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (1/1) ... [2020-10-14 19:48:45,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (1/1) ... [2020-10-14 19:48:45,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:48:45,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:48:45,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:48:45,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:48:45,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (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 19:48:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:48:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:48:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:48:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-14 19:48:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-14 19:48:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-14 19:48:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-14 19:48:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2020-10-14 19:48:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2020-10-14 19:48:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2020-10-14 19:48:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:48:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:48:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-14 19:48:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-14 19:48:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-14 19:48:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-14 19:48:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2020-10-14 19:48:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2020-10-14 19:48:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2020-10-14 19:48:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:48:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:48:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:48:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:48:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:48:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:48:53,745 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:48:53,746 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:48:53,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:48:53 BoogieIcfgContainer [2020-10-14 19:48:53,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:48:53,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:48:53,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:48:53,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:48:53,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:48:41" (1/3) ... [2020-10-14 19:48:53,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1274bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:48:53, skipping insertion in model container [2020-10-14 19:48:53,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:48:45" (2/3) ... [2020-10-14 19:48:53,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1274bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:48:53, skipping insertion in model container [2020-10-14 19:48:53,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:48:53" (3/3) ... [2020-10-14 19:48:53,777 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem05_label53.c [2020-10-14 19:48:53,787 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:48:53,798 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:48:53,812 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:48:53,849 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:48:53,849 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:48:53,849 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:48:53,849 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:48:53,850 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:48:53,850 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:48:53,850 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:48:53,850 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:48:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states. [2020-10-14 19:48:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1707 [2020-10-14 19:48:54,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:48:54,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:54,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:48:54,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:48:54,023 INFO L82 PathProgramCache]: Analyzing trace with hash 358919089, now seen corresponding path program 1 times [2020-10-14 19:48:54,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:48:54,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1926153930] [2020-10-14 19:48:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:48:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:48:55,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:49:00,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:49:00,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1728 [2020-10-14 19:49:00,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:49:00,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5310 [2020-10-14 19:49:00,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:49:00,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:49:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 19:49:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:49:00,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1722 [2020-10-14 19:49:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:49:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:49:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:49:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:49:02,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:49:02,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:49:02,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:49:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:49:02,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:49:02,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:49:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:49:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:49:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:49:02,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:49:05,040 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 19:49:05,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1926153930] [2020-10-14 19:49:05,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:49:05,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 19:49:05,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495324663] [2020-10-14 19:49:05,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:49:05,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:49:05,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:49:05,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:49:05,068 INFO L87 Difference]: Start difference. First operand 2222 states. Second operand 5 states. [2020-10-14 19:49:28,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:49:28,859 INFO L93 Difference]: Finished difference Result 8111 states and 15415 transitions. [2020-10-14 19:49:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:49:28,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1706 [2020-10-14 19:49:28,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:49:28,927 INFO L225 Difference]: With dead ends: 8111 [2020-10-14 19:49:28,927 INFO L226 Difference]: Without dead ends: 5821 [2020-10-14 19:49:28,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:49:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5821 states. [2020-10-14 19:49:29,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5821 to 5769. [2020-10-14 19:49:29,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5769 states. [2020-10-14 19:49:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5769 states to 5769 states and 10072 transitions. [2020-10-14 19:49:29,262 INFO L78 Accepts]: Start accepts. Automaton has 5769 states and 10072 transitions. Word has length 1706 [2020-10-14 19:49:29,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:49:29,267 INFO L479 AbstractCegarLoop]: Abstraction has 5769 states and 10072 transitions. [2020-10-14 19:49:29,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:49:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5769 states and 10072 transitions. [2020-10-14 19:49:29,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1716 [2020-10-14 19:49:29,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:49:29,386 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:29,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:49:29,386 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:49:29,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:49:29,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1288745510, now seen corresponding path program 1 times [2020-10-14 19:49:29,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:49:29,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261073186] [2020-10-14 19:49:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:49:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:49:29,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:49:31,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:49:34,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:49:34,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1739 [2020-10-14 19:49:34,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:49:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5160 [2020-10-14 19:49:34,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:49:34,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:49:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 19:49:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 19:49:34,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1719 [2020-10-14 19:49:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:49:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:49:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:49:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:49:35,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:49:35,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:49:35,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:49:35,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:49:35,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:49:35,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:49:35,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:49:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:49:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:49:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:49:35,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:49:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:49:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:49:35,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:49:35,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:49:35,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:49:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:49:35,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:49:35,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:49:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:49:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:49:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 19:49:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:49:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:49:38,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261073186] [2020-10-14 19:49:38,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:49:38,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:49:38,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762049974] [2020-10-14 19:49:38,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:49:38,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:49:38,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:49:38,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:49:38,153 INFO L87 Difference]: Start difference. First operand 5769 states and 10072 transitions. Second operand 6 states. [2020-10-14 19:50:06,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:50:06,289 INFO L93 Difference]: Finished difference Result 22155 states and 39676 transitions. [2020-10-14 19:50:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:50:06,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1715 [2020-10-14 19:50:06,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:50:06,383 INFO L225 Difference]: With dead ends: 22155 [2020-10-14 19:50:06,383 INFO L226 Difference]: Without dead ends: 16392 [2020-10-14 19:50:06,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:50:06,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16392 states. [2020-10-14 19:50:06,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16392 to 16374. [2020-10-14 19:50:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16374 states. [2020-10-14 19:50:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16374 states to 16374 states and 25302 transitions. [2020-10-14 19:50:07,030 INFO L78 Accepts]: Start accepts. Automaton has 16374 states and 25302 transitions. Word has length 1715 [2020-10-14 19:50:07,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:50:07,034 INFO L479 AbstractCegarLoop]: Abstraction has 16374 states and 25302 transitions. [2020-10-14 19:50:07,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:50:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 16374 states and 25302 transitions. [2020-10-14 19:50:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1734 [2020-10-14 19:50:07,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:50:07,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:07,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:50:07,121 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:50:07,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:50:07,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1067487461, now seen corresponding path program 1 times [2020-10-14 19:50:07,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:50:07,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144141224] [2020-10-14 19:50:07,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:50:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:50:07,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:50:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:50:12,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:50:12,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1757 [2020-10-14 19:50:12,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:50:12,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-14 19:50:12,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:50:12,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:50:12,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 19:50:12,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 19:50:12,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1244 [2020-10-14 19:50:12,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:50:17,091 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-14 19:50:17,230 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-14 19:50:17,354 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-14 19:50:18,226 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2020-10-14 19:50:18,541 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2020-10-14 19:50:19,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:50:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:50:19,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:50:19,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:50:19,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:50:19,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:50:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:50:19,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:50:19,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:50:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:50:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:50:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:50:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:50:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:50:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:50:19,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:50:19,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:50:19,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 19:50:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:50:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 19:50:19,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:50:19,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:50:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:50:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:50:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 19:50:19,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:50:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:50:38,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144141224] [2020-10-14 19:50:38,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:50:38,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 19:50:38,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67507079] [2020-10-14 19:50:38,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 19:50:38,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:50:38,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 19:50:38,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2020-10-14 19:50:38,547 INFO L87 Difference]: Start difference. First operand 16374 states and 25302 transitions. Second operand 23 states. [2020-10-14 19:50:39,461 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 19:50:41,075 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-14 19:50:48,171 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-14 19:50:56,225 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-14 19:51:04,614 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-14 19:51:06,288 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 19:51:06,687 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-14 19:51:07,466 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-14 19:51:35,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:51:35,845 INFO L93 Difference]: Finished difference Result 34029 states and 53222 transitions. [2020-10-14 19:51:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 19:51:35,846 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1733 [2020-10-14 19:51:35,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:51:35,903 INFO L225 Difference]: With dead ends: 34029 [2020-10-14 19:51:35,903 INFO L226 Difference]: Without dead ends: 17661 [2020-10-14 19:51:35,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=219, Invalid=1341, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 19:51:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17661 states. [2020-10-14 19:51:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17661 to 17649. [2020-10-14 19:51:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17649 states. [2020-10-14 19:51:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17649 states to 17649 states and 26603 transitions. [2020-10-14 19:51:36,366 INFO L78 Accepts]: Start accepts. Automaton has 17649 states and 26603 transitions. Word has length 1733 [2020-10-14 19:51:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:51:36,371 INFO L479 AbstractCegarLoop]: Abstraction has 17649 states and 26603 transitions. [2020-10-14 19:51:36,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 19:51:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 17649 states and 26603 transitions. [2020-10-14 19:51:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1813 [2020-10-14 19:51:36,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:51:36,442 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:36,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:51:36,442 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:51:36,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:51:36,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1805777353, now seen corresponding path program 1 times [2020-10-14 19:51:36,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:51:36,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631132475] [2020-10-14 19:51:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:51:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:51:36,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:51:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:51:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:51:41,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1838 [2020-10-14 19:51:41,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:51:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5150 [2020-10-14 19:51:41,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:51:41,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:51:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:51:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 19:51:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 19:51:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:51:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:51:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:51:42,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:51:42,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:51:42,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:51:42,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:51:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:51:42,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:51:42,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:51:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:51:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:51:42,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:51:42,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:51:42,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:51:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:51:42,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:51:42,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:51:42,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:51:42,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:51:42,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:51:42,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:51:42,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:51:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:51:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:51:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 19:51:42,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:51:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 19:51:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:51:42,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:51:42,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:51:42,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 19:51:42,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:51:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 19:51:42,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:51:42,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:51:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:51:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:51:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 19:51:42,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:51:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 19:51:43,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631132475] [2020-10-14 19:51:43,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:51:43,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:51:43,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433314049] [2020-10-14 19:51:43,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:51:43,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:51:43,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:51:43,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:51:43,579 INFO L87 Difference]: Start difference. First operand 17649 states and 26603 transitions. Second operand 7 states. [2020-10-14 19:52:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:52:17,669 INFO L93 Difference]: Finished difference Result 37507 states and 57354 transitions. [2020-10-14 19:52:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:52:17,670 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1812 [2020-10-14 19:52:17,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:52:17,755 INFO L225 Difference]: With dead ends: 37507 [2020-10-14 19:52:17,755 INFO L226 Difference]: Without dead ends: 19864 [2020-10-14 19:52:17,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:52:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19864 states. [2020-10-14 19:52:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19864 to 19679. [2020-10-14 19:52:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19679 states. [2020-10-14 19:52:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19679 states to 19679 states and 27293 transitions. [2020-10-14 19:52:18,242 INFO L78 Accepts]: Start accepts. Automaton has 19679 states and 27293 transitions. Word has length 1812 [2020-10-14 19:52:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:52:18,243 INFO L479 AbstractCegarLoop]: Abstraction has 19679 states and 27293 transitions. [2020-10-14 19:52:18,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:52:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 19679 states and 27293 transitions. [2020-10-14 19:52:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1826 [2020-10-14 19:52:18,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:52:18,314 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:18,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:52:18,314 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:52:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:52:18,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1589596811, now seen corresponding path program 1 times [2020-10-14 19:52:18,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:52:18,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778449964] [2020-10-14 19:52:18,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:52:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:52:18,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:52:19,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:52:23,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:52:23,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1851 [2020-10-14 19:52:23,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:52:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-14 19:52:23,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:52:23,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:52:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:52:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:52:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 19:52:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:52:24,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:52:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:52:24,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:52:24,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:52:24,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:52:24,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:52:24,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 19:52:24,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:52:24,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:52:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:52:24,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:52:24,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:52:24,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:52:24,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:52:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:52:24,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:52:24,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:52:24,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:52:24,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:52:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 19:52:24,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:52:24,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:52:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:52:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:52:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 19:52:24,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:52:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 19:52:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:52:24,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:52:24,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:52:24,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 19:52:24,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:52:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 19:52:24,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:52:24,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:52:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:52:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:52:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-14 19:52:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1