/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 SingleStatement --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=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:47:12,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:47:12,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:47:12,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:47:12,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:47:12,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:47:12,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:47:12,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:47:12,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:47:12,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:47:12,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:47:12,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:47:12,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:47:12,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:47:12,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:47:12,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:47:12,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:47:12,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:47:12,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:47:12,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:47:12,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:47:12,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:47:12,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:47:12,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:47:12,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:47:12,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:47:12,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:47:12,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:47:12,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:47:12,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:47:12,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:47:12,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:47:12,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:47:12,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:47:12,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:47:12,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:47:12,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:47:12,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:47:12,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:47:12,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:47:12,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:47:12,785 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 [2020-09-25 09:47:12,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:47:12,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:47:12,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:47:12,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:47:12,836 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:47:12,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:47:12,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:47:12,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:47:12,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:47:12,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:47:12,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:47:12,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:47:12,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:47:12,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:47:12,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:47:12,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:47:12,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:47:12,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:47:12,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:47:12,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:47:12,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:47:12,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:47:12,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:47:12,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:47:12,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:47:12,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:47:12,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:47:12,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:47:12,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:47:12,843 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 -> SingleStatement 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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=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=0.1;log-additional-information=true; [2020-09-25 09:47:13,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:47:13,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:47:13,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:47:13,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:47:13,322 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:47:13,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-25 09:47:13,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bed34cae/8a0c5496d4364c158e68cf26df578d8e/FLAG8faf3f4a2 [2020-09-25 09:47:14,034 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:47:14,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-25 09:47:14,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bed34cae/8a0c5496d4364c158e68cf26df578d8e/FLAG8faf3f4a2 [2020-09-25 09:47:14,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2bed34cae/8a0c5496d4364c158e68cf26df578d8e [2020-09-25 09:47:14,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:47:14,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:47:14,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:47:14,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:47:14,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:47:14,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:14" (1/1) ... [2020-09-25 09:47:14,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:14, skipping insertion in model container [2020-09-25 09:47:14,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:14" (1/1) ... [2020-09-25 09:47:14,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:47:14,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:47:14,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:47:14,904 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:47:15,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:47:15,042 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:47:15,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15 WrapperNode [2020-09-25 09:47:15,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:47:15,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:47:15,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:47:15,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:47:15,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (1/1) ... [2020-09-25 09:47:15,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (1/1) ... [2020-09-25 09:47:15,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (1/1) ... [2020-09-25 09:47:15,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (1/1) ... [2020-09-25 09:47:15,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (1/1) ... [2020-09-25 09:47:15,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (1/1) ... [2020-09-25 09:47:15,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (1/1) ... [2020-09-25 09:47:15,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:47:15,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:47:15,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:47:15,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:47:15,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (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 [2020-09-25 09:47:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:47:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:47:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:47:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:47:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:47:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:47:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:47:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:47:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:47:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:47:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:47:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:47:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:47:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:47:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:47:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:47:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:47:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:47:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:47:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:47:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:47:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:47:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:47:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:47:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:47:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:47:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:47:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:47:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:47:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:47:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:47:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:47:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:47:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:47:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:47:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:47:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:47:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:47:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:47:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:47:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:47:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:47:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:47:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:47:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:47:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:47:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:47:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:47:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:47:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:47:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:47:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:47:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:47:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:47:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:47:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:47:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:47:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:47:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:47:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:47:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:47:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:47:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:47:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:47:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:47:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:47:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:47:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:47:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:47:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:47:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:47:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:47:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:47:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:47:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:47:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:47:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:47:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:47:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:47:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:47:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:47:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:47:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:47:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:47:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:47:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:47:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:47:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:47:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:47:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:47:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:47:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:47:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:47:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:47:16,448 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:47:16,449 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:47:16,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:47:16 BoogieIcfgContainer [2020-09-25 09:47:16,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:47:16,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:47:16,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:47:16,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:47:16,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:47:14" (1/3) ... [2020-09-25 09:47:16,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a798d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:47:16, skipping insertion in model container [2020-09-25 09:47:16,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:15" (2/3) ... [2020-09-25 09:47:16,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a798d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:47:16, skipping insertion in model container [2020-09-25 09:47:16,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:47:16" (3/3) ... [2020-09-25 09:47:16,467 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-09-25 09:47:16,480 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:47:16,496 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:47:16,521 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:47:16,559 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:47:16,560 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:47:16,560 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:47:16,560 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:47:16,560 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:47:16,560 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:47:16,561 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:47:16,561 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:47:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 09:47:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:47:16,613 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:16,615 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] [2020-09-25 09:47:16,615 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:16,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:16,625 INFO L82 PathProgramCache]: Analyzing trace with hash 712153127, now seen corresponding path program 1 times [2020-09-25 09:47:16,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:16,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038002346] [2020-09-25 09:47:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:17,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:19,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:22,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:22,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:47:22,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:47:22,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 09:47:22,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:22,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:47:22,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:47:22,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-25 09:47:22,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:47:22,596 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:22,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:22,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:22,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:22,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:22,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:22,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 09:47:22,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:22,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:47:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:23,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:23,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:23,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:23,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:23,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:47:23,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:23,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 09:47:23,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:23,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:23,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:23,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:23,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:47:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:23,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:23,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:23,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:23,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:47:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:23,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:23,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:23,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:23,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:23,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:23,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:23,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:23,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:23,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:23,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:23,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:23,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:47:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:23,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:23,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:47:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:23,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:23,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:23,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:23,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:23,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:23,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:23,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:47:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:23,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:47:23,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038002346] [2020-09-25 09:47:23,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:23,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:47:23,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671640349] [2020-09-25 09:47:23,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:47:23,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:23,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:47:23,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:47:23,300 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 9 states. [2020-09-25 09:47:24,038 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:25,110 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:25,504 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:47:25,872 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:26,271 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:47:26,666 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:27,462 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:27,812 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:28,363 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:47:29,519 INFO L93 Difference]: Finished difference Result 654 states and 787 transitions. [2020-09-25 09:47:29,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:47:29,522 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 09:47:29,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:47:29,544 INFO L225 Difference]: With dead ends: 654 [2020-09-25 09:47:29,544 INFO L226 Difference]: Without dead ends: 454 [2020-09-25 09:47:29,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 09:47:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-09-25 09:47:29,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 381. [2020-09-25 09:47:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-25 09:47:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 420 transitions. [2020-09-25 09:47:29,722 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 420 transitions. Word has length 148 [2020-09-25 09:47:29,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:47:29,723 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 420 transitions. [2020-09-25 09:47:29,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:47:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 420 transitions. [2020-09-25 09:47:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 09:47:29,731 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:29,731 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] [2020-09-25 09:47:29,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:47:29,732 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:29,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:29,732 INFO L82 PathProgramCache]: Analyzing trace with hash -240223966, now seen corresponding path program 1 times [2020-09-25 09:47:29,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:29,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167445111] [2020-09-25 09:47:29,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:29,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:30,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:31,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:31,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:34,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:34,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 09:47:34,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:47:34,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 09:47:34,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:34,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:47:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:47:34,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-25 09:47:34,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,151 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:35,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:35,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-09-25 09:47:35,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:47:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:35,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:35,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:35,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:35,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:47:35,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:35,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:35,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:47:35,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:35,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:35,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:35,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:35,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:35,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:35,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:47:35,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:47:35,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:47:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 09:47:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 09:47:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:35,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:47:35,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:35,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 09:47:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:35,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:35,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:35,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:35,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:35,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:47:35,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:35,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:35,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:35,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:35,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:35,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:47:35,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167445111] [2020-09-25 09:47:35,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:35,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:47:35,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770123443] [2020-09-25 09:47:35,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:47:35,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:35,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:47:35,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:47:35,743 INFO L87 Difference]: Start difference. First operand 381 states and 420 transitions. Second operand 10 states. [2020-09-25 09:47:36,277 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:37,669 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:47:38,032 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:47:38,456 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:38,819 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:47:39,148 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:40,698 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:41,048 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:47:41,412 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:47:41,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:47:41,791 INFO L93 Difference]: Finished difference Result 909 states and 1103 transitions. [2020-09-25 09:47:41,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 09:47:41,793 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-09-25 09:47:41,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:47:41,802 INFO L225 Difference]: With dead ends: 909 [2020-09-25 09:47:41,802 INFO L226 Difference]: Without dead ends: 643 [2020-09-25 09:47:41,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 09:47:41,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-09-25 09:47:41,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 526. [2020-09-25 09:47:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-09-25 09:47:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 595 transitions. [2020-09-25 09:47:41,902 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 595 transitions. Word has length 163 [2020-09-25 09:47:41,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:47:41,903 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 595 transitions. [2020-09-25 09:47:41,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:47:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 595 transitions. [2020-09-25 09:47:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-25 09:47:41,908 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:41,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:47:41,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:47:41,909 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:41,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:41,910 INFO L82 PathProgramCache]: Analyzing trace with hash -472762249, now seen corresponding path program 1 times [2020-09-25 09:47:41,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:41,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486119203] [2020-09-25 09:47:41,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:42,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:42,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-25 09:47:46,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:47:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 09:47:46,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:47:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 09:47:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-25 09:47:46,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:47,320 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:47,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:47,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 09:47:47,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:47,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:47,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:47,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:47:47,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:47,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:47,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:47:47,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:47,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:47,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:47,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 09:47:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:47:47,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:47:47,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:47:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:47:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:47:47,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:47:47,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-25 09:47:47,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:47,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 09:47:47,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:47:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:47:47,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:47:47,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:47,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:47:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:47:47,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:47,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:47:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:47:47,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:47:47,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:47:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:47:47,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:47,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:47:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:47,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:47,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:47:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:47,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:47,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 09:47:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:47,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:47,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 09:47:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:47,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:47,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:47,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:47,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:47:47,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:47,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:47,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:47:47,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486119203] [2020-09-25 09:47:47,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:47,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:47:47,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648359212] [2020-09-25 09:47:47,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:47:47,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:47,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:47:47,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:47:47,920 INFO L87 Difference]: Start difference. First operand 526 states and 595 transitions. Second operand 7 states. [2020-09-25 09:47:48,683 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:47:51,662 INFO L93 Difference]: Finished difference Result 1196 states and 1533 transitions. [2020-09-25 09:47:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:47:51,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-09-25 09:47:51,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:47:51,684 INFO L225 Difference]: With dead ends: 1196 [2020-09-25 09:47:51,684 INFO L226 Difference]: Without dead ends: 1193 [2020-09-25 09:47:51,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:47:51,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2020-09-25 09:47:51,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 884. [2020-09-25 09:47:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-09-25 09:47:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1036 transitions. [2020-09-25 09:47:51,879 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1036 transitions. Word has length 218 [2020-09-25 09:47:51,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:47:51,881 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1036 transitions. [2020-09-25 09:47:51,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:47:51,881 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1036 transitions. [2020-09-25 09:47:51,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-09-25 09:47:51,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:51,889 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-09-25 09:47:51,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:47:51,889 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:51,890 INFO L82 PathProgramCache]: Analyzing trace with hash 594727375, now seen corresponding path program 1 times [2020-09-25 09:47:51,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:51,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059926809] [2020-09-25 09:47:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:52,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:52,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:52,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:54,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:54,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:55,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:56,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:56,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:56,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:56,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-09-25 09:47:56,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 09:47:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 09:47:56,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:56,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:47:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 09:47:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-09-25 09:47:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:57,315 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:57,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:57,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:57,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:57,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 09:47:57,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:57,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:57,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:57,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 09:47:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-09-25 09:47:57,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:57,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:57,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:57,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:57,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:57,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:57,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:57,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:57,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:57,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:57,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:57,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:57,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:57,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:57,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:57,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:57,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:57,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:57,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:57,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:57,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:47:57,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:57,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:57,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:57,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:57,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:57,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:57,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:57,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:57,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:57,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:57,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:47:57,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:57,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:47:57,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:57,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:57,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:57,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:57,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:47:57,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:57,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:47:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:57,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking...