/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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:54:13,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:54:13,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:54:14,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:54:14,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:54:14,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:54:14,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:54:14,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:54:14,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:54:14,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:54:14,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:54:14,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:54:14,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:54:14,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:54:14,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:54:14,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:54:14,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:54:14,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:54:14,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:54:14,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:54:14,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:54:14,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:54:14,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:54:14,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:54:14,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:54:14,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:54:14,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:54:14,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:54:14,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:54:14,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:54:14,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:54:14,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:54:14,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:54:14,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:54:14,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:54:14,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:54:14,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:54:14,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:54:14,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:54:14,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:54:14,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:54:14,091 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 10:54:14,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:54:14,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:54:14,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:54:14,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:54:14,139 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:54:14,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:54:14,139 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:54:14,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:54:14,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:54:14,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:54:14,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:54:14,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:54:14,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:54:14,142 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:54:14,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:54:14,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:54:14,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:54:14,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:54:14,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:54:14,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:54:14,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:54:14,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:54:14,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:54:14,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:54:14,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:54:14,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:54:14,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:54:14,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:54:14,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:54:14,145 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 10:54:14,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:54:14,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:54:14,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:54:14,675 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:54:14,676 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:54:14,677 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-25 10:54:14,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fbcf1fba6/cf7969c3ff05494eb4da8eebfa546edb/FLAGc8788d30c [2020-09-25 10:54:15,331 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:54:15,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-09-25 10:54:15,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fbcf1fba6/cf7969c3ff05494eb4da8eebfa546edb/FLAGc8788d30c [2020-09-25 10:54:15,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fbcf1fba6/cf7969c3ff05494eb4da8eebfa546edb [2020-09-25 10:54:15,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:54:15,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:54:15,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:54:15,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:54:15,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:54:15,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:54:15" (1/1) ... [2020-09-25 10:54:15,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:15, skipping insertion in model container [2020-09-25 10:54:15,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:54:15" (1/1) ... [2020-09-25 10:54:15,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:54:15,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:54:16,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:54:16,056 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:54:16,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:54:16,299 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:54:16,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16 WrapperNode [2020-09-25 10:54:16,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:54:16,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:54:16,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:54:16,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:54:16,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (1/1) ... [2020-09-25 10:54:16,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (1/1) ... [2020-09-25 10:54:16,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (1/1) ... [2020-09-25 10:54:16,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (1/1) ... [2020-09-25 10:54:16,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (1/1) ... [2020-09-25 10:54:16,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (1/1) ... [2020-09-25 10:54:16,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (1/1) ... [2020-09-25 10:54:16,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:54:16,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:54:16,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:54:16,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:54:16,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (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 10:54:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:54:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:54:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:54:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:54:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:54:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 10:54:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:54:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:54:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:54:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:54:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:54:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:54:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 10:54:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:54:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:54:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:54:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:54:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:54:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:54:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:54:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:54:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:54:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 10:54:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:54:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:54:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:54:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:54:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:54:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:54:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:54:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:54:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:54:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:54:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:54:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:54:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:54:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:54:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:54:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:54:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:54:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:54:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 10:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:54:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:54:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 10:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 10:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:54:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:54:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:54:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:54:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:54:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:54:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:54:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:54:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:54:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:54:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:54:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:54:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:54:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:54:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:54:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:54:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:54:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:54:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:54:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:54:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:54:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:54:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:54:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:54:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:54:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:54:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:54:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:54:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:54:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:54:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:54:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:54:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:54:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:54:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:54:17,743 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:54:17,744 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:54:17,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:54:17 BoogieIcfgContainer [2020-09-25 10:54:17,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:54:17,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:54:17,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:54:17,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:54:17,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:54:15" (1/3) ... [2020-09-25 10:54:17,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b663a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:54:17, skipping insertion in model container [2020-09-25 10:54:17,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:16" (2/3) ... [2020-09-25 10:54:17,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b663a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:54:17, skipping insertion in model container [2020-09-25 10:54:17,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:54:17" (3/3) ... [2020-09-25 10:54:17,763 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-09-25 10:54:17,776 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:54:17,788 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:54:17,813 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:54:17,846 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:54:17,847 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:54:17,847 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:54:17,847 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:54:17,847 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:54:17,847 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:54:17,847 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:54:17,848 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:54:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 10:54:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:54:17,897 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:54:17,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:54:17,899 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:54:17,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:54:17,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1187069653, now seen corresponding path program 1 times [2020-09-25 10:54:17,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:54:17,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894822937] [2020-09-25 10:54:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:54:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:18,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:18,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:19,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:20,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:21,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:23,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:23,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:54:23,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:54:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 10:54:23,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:23,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:54:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 10:54:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:54:23,868 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:54:23,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:54:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:54:24,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-25 10:54:24,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:24,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:24,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:54:24,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:54:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:24,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:54:24,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:54:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:24,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:54:24,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:54:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:24,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:54:24,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:24,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:24,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:24,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:54:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:24,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:54:24,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:54:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:54:24,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:54:24,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:54:24,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:54:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:24,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:54:24,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:54:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:54:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:24,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:24,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:24,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:54:24,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:24,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:54:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:24,471 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 10:54:24,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894822937] [2020-09-25 10:54:24,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:54:24,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:54:24,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785015047] [2020-09-25 10:54:24,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:54:24,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:54:24,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:54:24,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:54:24,508 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 5 states. [2020-09-25 10:54:25,128 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:54:26,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:54:26,199 INFO L93 Difference]: Finished difference Result 480 states and 569 transitions. [2020-09-25 10:54:26,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:54:26,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 10:54:26,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:54:26,233 INFO L225 Difference]: With dead ends: 480 [2020-09-25 10:54:26,233 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 10:54:26,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:54:26,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 10:54:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 259. [2020-09-25 10:54:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 10:54:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 281 transitions. [2020-09-25 10:54:26,378 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 281 transitions. Word has length 148 [2020-09-25 10:54:26,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:54:26,387 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 281 transitions. [2020-09-25 10:54:26,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:54:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2020-09-25 10:54:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 10:54:26,400 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:54:26,400 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] [2020-09-25 10:54:26,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:54:26,401 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:54:26,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:54:26,402 INFO L82 PathProgramCache]: Analyzing trace with hash 875705787, now seen corresponding path program 1 times [2020-09-25 10:54:26,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:54:26,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265880804] [2020-09-25 10:54:26,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:54:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:26,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:26,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:26,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:27,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:30,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:31,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:31,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 10:54:31,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 10:54:31,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 10:54:31,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:31,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:54:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:54:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-25 10:54:31,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:31,887 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:54:31,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:54:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:31,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:54:32,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 10:54:32,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:54:32,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:54:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:32,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:32,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:32,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:54:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:32,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:32,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:54:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:32,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:54:32,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:54:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:32,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:32,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:54:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:54:32,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:32,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:54:32,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 10:54:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 10:54:32,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:54:32,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 10:54:32,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:32,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 10:54:32,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:54:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:54:32,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:54:32,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:54:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:32,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:54:32,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:32,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 10:54:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:32,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:54:32,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:54:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 10:54:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:32,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:32,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:32,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:32,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:32,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:54:32,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:32,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:54:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:32,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:32,508 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 10:54:32,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265880804] [2020-09-25 10:54:32,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:54:32,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:54:32,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936234149] [2020-09-25 10:54:32,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:54:32,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:54:32,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:54:32,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:54:32,515 INFO L87 Difference]: Start difference. First operand 259 states and 281 transitions. Second operand 10 states. [2020-09-25 10:54:33,159 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:54:34,192 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:34,584 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:54:35,280 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:54:35,613 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:36,652 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:36,926 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:54:37,234 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:37,849 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:54:38,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:54:38,342 INFO L93 Difference]: Finished difference Result 660 states and 801 transitions. [2020-09-25 10:54:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 10:54:38,343 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-09-25 10:54:38,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:54:38,351 INFO L225 Difference]: With dead ends: 660 [2020-09-25 10:54:38,351 INFO L226 Difference]: Without dead ends: 498 [2020-09-25 10:54:38,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 10:54:38,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-09-25 10:54:38,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 375. [2020-09-25 10:54:38,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 10:54:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 414 transitions. [2020-09-25 10:54:38,433 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 414 transitions. Word has length 162 [2020-09-25 10:54:38,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:54:38,433 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 414 transitions. [2020-09-25 10:54:38,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:54:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 414 transitions. [2020-09-25 10:54:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 10:54:38,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:54:38,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:54:38,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:54:38,438 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:54:38,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:54:38,438 INFO L82 PathProgramCache]: Analyzing trace with hash 782735171, now seen corresponding path program 1 times [2020-09-25 10:54:38,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:54:38,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99476814] [2020-09-25 10:54:38,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:54:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:38,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:38,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:38,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:40,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:40,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:40,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:42,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:43,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:43,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 10:54:43,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 10:54:43,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 10:54:43,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:43,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 10:54:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 10:54:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-25 10:54:43,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:43,895 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:54:43,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:54:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:43,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:54:44,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-25 10:54:44,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 10:54:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:54:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:44,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:44,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:54:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:44,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:44,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:54:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:44,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:54:44,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:54:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:44,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:44,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:44,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:54:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:54:44,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:54:44,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:54:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:54:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:54:44,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:54:44,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:54:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 10:54:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 10:54:44,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:54:44,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 10:54:44,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:54:44,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:54:44,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 10:54:44,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:54:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:54:44,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:54:44,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:54:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:54:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:54:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:54:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:44,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:44,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 10:54:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:44,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:54:44,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:44,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 10:54:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:44,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:44,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:44,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:44,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:54:44,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:44,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:54:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:44,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:44,534 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 10:54:44,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99476814] [2020-09-25 10:54:44,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:54:44,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:54:44,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754052672] [2020-09-25 10:54:44,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:54:44,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:54:44,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:54:44,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:54:44,538 INFO L87 Difference]: Start difference. First operand 375 states and 414 transitions. Second operand 11 states. [2020-09-25 10:54:45,114 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:54:46,737 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:47,080 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:54:47,352 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:54:47,678 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:48,000 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:48,374 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 10:54:48,703 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:54:49,074 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:50,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:54:50,782 INFO L93 Difference]: Finished difference Result 986 states and 1226 transitions. [2020-09-25 10:54:50,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 10:54:50,783 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 176 [2020-09-25 10:54:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:54:50,791 INFO L225 Difference]: With dead ends: 986 [2020-09-25 10:54:50,791 INFO L226 Difference]: Without dead ends: 726 [2020-09-25 10:54:50,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-09-25 10:54:50,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2020-09-25 10:54:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 540. [2020-09-25 10:54:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2020-09-25 10:54:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 615 transitions. [2020-09-25 10:54:50,906 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 615 transitions. Word has length 176 [2020-09-25 10:54:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:54:50,907 INFO L479 AbstractCegarLoop]: Abstraction has 540 states and 615 transitions. [2020-09-25 10:54:50,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 10:54:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 615 transitions. [2020-09-25 10:54:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-25 10:54:50,911 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:54:50,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:54:50,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:54:50,912 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:54:50,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:54:50,912 INFO L82 PathProgramCache]: Analyzing trace with hash -383352913, now seen corresponding path program 1 times [2020-09-25 10:54:50,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:54:50,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876746006] [2020-09-25 10:54:50,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:54:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:51,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:51,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:54,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:54,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-09-25 10:54:54,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:54:54,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3637 [2020-09-25 10:54:54,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:54,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:54:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 10:54:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 10:54:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:54,918 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:54:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:54:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:54,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:54:55,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 10:54:55,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:54:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:55,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:54:55,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:54:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:55,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:54:55,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:54:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:55,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:55,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:54:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:55,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:54:55,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:54:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:54:55,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:55,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:54:55,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:54:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:54:55,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:54:55,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:54:55,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 10:54:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 10:54:55,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:54:55,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 10:54:55,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 10:54:55,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:54:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 10:54:55,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:54:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 10:54:55,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:54:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 10:54:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:54:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:54:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:54:55,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 10:54:55,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:54:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 10:54:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:54:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:54:55,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:54:55,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:54:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:54:55,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:54:55,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 10:54:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 10:54:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:55,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:55,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:55,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:54:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 10:54:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:55,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:55,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:55,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,534 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 10:54:55,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876746006] [2020-09-25 10:54:55,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:54:55,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 10:54:55,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579008415] [2020-09-25 10:54:55,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 10:54:55,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:54:55,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 10:54:55,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-25 10:54:55,537 INFO L87 Difference]: Start difference. First operand 540 states and 615 transitions. Second operand 12 states. [2020-09-25 10:54:56,160 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:54:57,350 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:57,701 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:54:58,041 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:54:58,409 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:58,774 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 10:54:59,110 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:55:00,768 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:01,089 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:01,408 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:55:01,751 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:02,124 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:55:02,475 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:04,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:04,334 INFO L93 Difference]: Finished difference Result 1646 states and 2110 transitions. [2020-09-25 10:55:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 10:55:04,335 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 201 [2020-09-25 10:55:04,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:04,344 INFO L225 Difference]: With dead ends: 1646 [2020-09-25 10:55:04,345 INFO L226 Difference]: Without dead ends: 1221 [2020-09-25 10:55:04,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 10:55:04,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2020-09-25 10:55:04,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 909. [2020-09-25 10:55:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-09-25 10:55:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1051 transitions. [2020-09-25 10:55:04,486 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1051 transitions. Word has length 201 [2020-09-25 10:55:04,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:04,487 INFO L479 AbstractCegarLoop]: Abstraction has 909 states and 1051 transitions. [2020-09-25 10:55:04,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 10:55:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1051 transitions. [2020-09-25 10:55:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-09-25 10:55:04,496 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:04,497 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:55:04,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:55:04,497 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:04,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:04,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1732462901, now seen corresponding path program 1 times [2020-09-25 10:55:04,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:04,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730184356] [2020-09-25 10:55:04,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:04,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:04,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:04,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:04,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:06,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking...