/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=0.3 --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_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:07:50,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:07:50,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:07:50,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:07:50,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:07:50,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:07:50,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:07:50,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:07:50,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:07:50,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:07:50,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:07:50,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:07:50,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:07:50,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:07:50,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:07:50,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:07:50,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:07:50,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:07:50,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:07:50,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:07:50,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:07:50,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:07:50,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:07:50,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:07:50,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:07:50,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:07:50,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:07:50,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:07:50,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:07:50,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:07:50,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:07:50,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:07:50,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:07:50,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:07:50,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:07:50,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:07:50,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:07:50,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:07:50,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:07:50,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:07:50,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:07:50,575 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 12:07:50,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:07:50,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:07:50,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:07:50,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:07:50,606 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:07:50,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:07:50,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:07:50,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:07:50,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:07:50,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:07:50,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:07:50,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:07:50,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:07:50,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:07:50,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:07:50,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:07:50,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:07:50,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:07:50,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:07:50,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:07:50,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:07:50,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:07:50,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:07:50,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:07:50,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:07:50,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:07:50,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:07:50,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:07:50,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:07:50,612 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 12:07:51,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:07:51,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:07:51,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:07:51,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:07:51,156 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:07:51,157 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-09-25 12:07:51,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de87c15ec/04a74584042a47bebafbdfc5be771716/FLAGda775d145 [2020-09-25 12:07:51,909 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:07:51,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2020-09-25 12:07:51,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de87c15ec/04a74584042a47bebafbdfc5be771716/FLAGda775d145 [2020-09-25 12:07:52,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de87c15ec/04a74584042a47bebafbdfc5be771716 [2020-09-25 12:07:52,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:07:52,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:07:52,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:07:52,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:07:52,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:07:52,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:07:52" (1/1) ... [2020-09-25 12:07:52,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca632cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:52, skipping insertion in model container [2020-09-25 12:07:52,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:07:52" (1/1) ... [2020-09-25 12:07:52,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:07:52,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:07:52,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:07:52,864 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:07:52,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:07:53,017 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:07:53,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53 WrapperNode [2020-09-25 12:07:53,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:07:53,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:07:53,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:07:53,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:07:53,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (1/1) ... [2020-09-25 12:07:53,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (1/1) ... [2020-09-25 12:07:53,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (1/1) ... [2020-09-25 12:07:53,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (1/1) ... [2020-09-25 12:07:53,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (1/1) ... [2020-09-25 12:07:53,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (1/1) ... [2020-09-25 12:07:53,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (1/1) ... [2020-09-25 12:07:53,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:07:53,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:07:53,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:07:53,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:07:53,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (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 12:07:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:07:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:07:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:07:53,234 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:07:53,235 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:07:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:07:53,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 12:07:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:07:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:07:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:07:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:07:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:07:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:07:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:07:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:07:53,239 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:07:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:07:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:07:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:07:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:07:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:07:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:07:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:07:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:07:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:07:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:07:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:07:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:07:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:07:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:07:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:07:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:07:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:07:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:07:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:07:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:07:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:07:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:07:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:07:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:07:53,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:07:53,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:07:53,245 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:07:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:07:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:07:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:07:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:07:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:07:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:07:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:07:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:07:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:07:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:07:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:07:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:07:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:07:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:07:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:07:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:07:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:07:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:07:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:07:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:07:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:07:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 12:07:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:07:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:07:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:07:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:07:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:07:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:07:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:07:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:07:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:07:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:07:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:07:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:07:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:07:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:07:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:07:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:07:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:07:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:07:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:07:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:07:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:07:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:07:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:07:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:07:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:07:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:07:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:07:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:07:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:07:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:07:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:07:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:07:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:07:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:07:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:07:54,647 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:07:54,648 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:07:54,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:07:54 BoogieIcfgContainer [2020-09-25 12:07:54,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:07:54,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:07:54,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:07:54,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:07:54,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:07:52" (1/3) ... [2020-09-25 12:07:54,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484e0535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:07:54, skipping insertion in model container [2020-09-25 12:07:54,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:53" (2/3) ... [2020-09-25 12:07:54,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484e0535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:07:54, skipping insertion in model container [2020-09-25 12:07:54,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:07:54" (3/3) ... [2020-09-25 12:07:54,665 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2020-09-25 12:07:54,678 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:07:54,689 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:07:54,713 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:07:54,747 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:07:54,747 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:07:54,747 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:07:54,747 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:07:54,748 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:07:54,748 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:07:54,748 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:07:54,748 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:07:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-25 12:07:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 12:07:54,798 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:07:54,799 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] [2020-09-25 12:07:54,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:07:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:07:54,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1566233941, now seen corresponding path program 1 times [2020-09-25 12:07:54,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:07:54,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896088086] [2020-09-25 12:07:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:07:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:07:55,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:55,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:57,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:07:58,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:00,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:00,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 12:08:00,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:08:00,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 12:08:00,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:00,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:08:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:08:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 12:08:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:08:00,653 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:08:00,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:08:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:00,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:00,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:08:00,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-09-25 12:08:00,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:00,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:08:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:08:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:01,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:01,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:01,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:01,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:08:01,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:01,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:08:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:01,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:01,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:01,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:01,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:01,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:08:01,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:01,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:01,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:08:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:01,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:01,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:01,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:01,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:01,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:08:01,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:01,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:01,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:01,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:08:01,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:01,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:08:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:01,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:01,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:01,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:01,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:01,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:08:01,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:01,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:01,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:01,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:01,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:01,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:01,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:08:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:01,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:01,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:01,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:01,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:08:01,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:01,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:08:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:01,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:01,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:01,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:01,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:01,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:01,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:01,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:01,235 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 12:08:01,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896088086] [2020-09-25 12:08:01,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:08:01,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 12:08:01,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776349961] [2020-09-25 12:08:01,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 12:08:01,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:08:01,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 12:08:01,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 12:08:01,281 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 4 states. [2020-09-25 12:08:01,982 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:08:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:08:04,738 INFO L93 Difference]: Finished difference Result 784 states and 945 transitions. [2020-09-25 12:08:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 12:08:04,741 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 12:08:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:08:04,764 INFO L225 Difference]: With dead ends: 784 [2020-09-25 12:08:04,765 INFO L226 Difference]: Without dead ends: 548 [2020-09-25 12:08:04,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:08:04,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-25 12:08:04,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 472. [2020-09-25 12:08:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-09-25 12:08:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 529 transitions. [2020-09-25 12:08:04,987 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 529 transitions. Word has length 142 [2020-09-25 12:08:04,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:08:04,989 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 529 transitions. [2020-09-25 12:08:04,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 12:08:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 529 transitions. [2020-09-25 12:08:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 12:08:05,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:08:05,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:08:05,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:08:05,011 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:08:05,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:08:05,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1630273880, now seen corresponding path program 1 times [2020-09-25 12:08:05,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:08:05,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466017557] [2020-09-25 12:08:05,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:08:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:05,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:05,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:05,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:05,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:09,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:10,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:10,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 12:08:10,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:08:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 12:08:10,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:10,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 12:08:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:08:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 12:08:10,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:10,572 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:08:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:08:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:10,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:10,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:10,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:08:10,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-25 12:08:10,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:10,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:10,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:08:10,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:10,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:08:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:10,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:10,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:10,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:10,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:10,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:10,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:10,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:10,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:10,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:10,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:10,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:10,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:08:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:10,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:10,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:10,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:10,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:08:10,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:10,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:10,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:10,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:08:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:10,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:10,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:10,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:10,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:10,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:08:10,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:10,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:08:10,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:10,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:08:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:10,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:10,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:10,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:10,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:10,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:10,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:10,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 12:08:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:10,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:10,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:10,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:08:10,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:10,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:08:10,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:10,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:10,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:08:10,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:11,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 12:08:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:11,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 12:08:11,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:08:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 12:08:11,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:11,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 12:08:11,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:11,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:11,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:11,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:08:11,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:08:11,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 12:08:11,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:11,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:08:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 12:08:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:08:11,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:08:11,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:11,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:11,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:08:11,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:11,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:08:11,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:11,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:11,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:08:11,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:08:11,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:08:11,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:11,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:11,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:11,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:08:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:11,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:08:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 12:08:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:11,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:11,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:08:11,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:11,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:08:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:08:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 12:08:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:11,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:11,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:11,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:11,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:11,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:11,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:11,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:11,320 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 12:08:11,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466017557] [2020-09-25 12:08:11,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:08:11,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 12:08:11,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169452032] [2020-09-25 12:08:11,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 12:08:11,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:08:11,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 12:08:11,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-25 12:08:11,328 INFO L87 Difference]: Start difference. First operand 472 states and 529 transitions. Second operand 13 states. [2020-09-25 12:08:11,904 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:08:13,211 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:08:13,590 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:08:13,953 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:08:14,293 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:08:14,602 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:08:15,252 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:08:15,627 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:08:15,988 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:08:16,305 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:08:16,626 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:08:16,936 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:08:17,390 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:08:17,750 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:08:18,616 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:08:18,966 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:08:19,397 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:08:19,813 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:08:20,187 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:08:20,608 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:08:21,162 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:08:22,608 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:08:22,892 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:08:23,229 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:08:26,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:08:26,672 INFO L93 Difference]: Finished difference Result 1786 states and 2356 transitions. [2020-09-25 12:08:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-09-25 12:08:26,672 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 174 [2020-09-25 12:08:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:08:26,688 INFO L225 Difference]: With dead ends: 1786 [2020-09-25 12:08:26,688 INFO L226 Difference]: Without dead ends: 1424 [2020-09-25 12:08:26,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=546, Invalid=2424, Unknown=0, NotChecked=0, Total=2970 [2020-09-25 12:08:26,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2020-09-25 12:08:26,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1131. [2020-09-25 12:08:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2020-09-25 12:08:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1361 transitions. [2020-09-25 12:08:26,909 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1361 transitions. Word has length 174 [2020-09-25 12:08:26,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:08:26,910 INFO L479 AbstractCegarLoop]: Abstraction has 1131 states and 1361 transitions. [2020-09-25 12:08:26,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 12:08:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1361 transitions. [2020-09-25 12:08:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-25 12:08:26,918 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:08:26,918 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:08:26,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:08:26,919 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:08:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:08:26,920 INFO L82 PathProgramCache]: Analyzing trace with hash 2055803996, now seen corresponding path program 1 times [2020-09-25 12:08:26,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:08:26,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063920998] [2020-09-25 12:08:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:08:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:27,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:27,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:28,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:28,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:28,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:31,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-09-25 12:08:32,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 12:08:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-25 12:08:32,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 221 [2020-09-25 12:08:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 12:08:32,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:08:32,346 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:08:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:08:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:08:32,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 12:08:32,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:08:32,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:08:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:32,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:08:32,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:08:32,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:08:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:32,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:08:32,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:08:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:32,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:32,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:08:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:08:32,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:08:32,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 12:08:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:08:32,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:32,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:08:32,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 12:08:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 12:08:32,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:08:32,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:08:32,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:08:32,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:32,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:32,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:08:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 12:08:32,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:08:32,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:08:32,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:08:32,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:32,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:32,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:32,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:32,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:32,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:08:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:32,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:32,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 12:08:32,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:08:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-25 12:08:32,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:32,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:08:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 12:08:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:08:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 12:08:33,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 12:08:33,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:08:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:08:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:08:33,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:08:33,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 12:08:33,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:08:33,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:08:33,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:08:33,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:08:33,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 12:08:33,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:08:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:08:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:08:33,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:08:33,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 12:08:33,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:08:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:08:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:08:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:08:33,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:08:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:08:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:08:33,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:08:33,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:08:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 12:08:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:08:33,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:08:33,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 12:08:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:08:33,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:08:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:33,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:33,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-09-25 12:08:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:08:33,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:08:33,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:08:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:08:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:08:33,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-25 12:08:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:33,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:33,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-09-25 12:08:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:33,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:33,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:08:33,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:08:33,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:08:33,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:08:33,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:08:33,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:08:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:08:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:08:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:08:33,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:08:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-09-25 12:08:33,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063920998] [2020-09-25 12:08:33,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:08:33,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 12:08:33,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204731146] [2020-09-25 12:08:33,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 12:08:33,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:08:33,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 12:08:33,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-25 12:08:33,677 INFO L87 Difference]: Start difference. First operand 1131 states and 1361 transitions. Second operand 13 states. [2020-09-25 12:08:34,160 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:08:35,518 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:08:35,862 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:08:36,239 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:08:36,613 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:08:36,981 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:08:37,325 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:08:40,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:08:40,566 INFO L93 Difference]: Finished difference Result 2737 states and 3613 transitions. [2020-09-25 12:08:40,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:08:40,566 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 282 [2020-09-25 12:08:40,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:08:40,584 INFO L225 Difference]: With dead ends: 2737 [2020-09-25 12:08:40,585 INFO L226 Difference]: Without dead ends: 1716 [2020-09-25 12:08:40,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2020-09-25 12:08:40,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-09-25 12:08:40,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1299. [2020-09-25 12:08:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2020-09-25 12:08:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1576 transitions. [2020-09-25 12:08:40,789 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1576 transitions. Word has length 282 [2020-09-25 12:08:40,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:08:40,791 INFO L479 AbstractCegarLoop]: Abstraction has 1299 states and 1576 transitions. [2020-09-25 12:08:40,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 12:08:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1576 transitions. [2020-09-25 12:08:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-09-25 12:08:40,800 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:08:40,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:08:40,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:08:40,801 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:08:40,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:08:40,801 INFO L82 PathProgramCache]: Analyzing trace with hash -341903308, now seen corresponding path program 1 times [2020-09-25 12:08:40,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:08:40,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779341772] [2020-09-25 12:08:40,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:08:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:08:40,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:08:41,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking...