/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 00:33:06,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:33:06,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:33:06,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:33:06,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:33:06,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:33:06,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:33:06,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:33:06,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:33:06,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:33:06,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:33:06,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:33:06,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:33:06,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:33:06,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:33:06,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:33:06,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:33:06,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:33:06,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:33:06,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:33:06,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:33:06,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:33:06,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:33:06,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:33:06,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:33:06,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:33:06,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:33:06,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:33:06,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:33:06,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:33:06,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:33:06,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:33:06,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:33:06,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:33:06,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:33:06,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:33:06,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:33:06,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:33:06,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:33:06,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:33:06,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:33:06,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 00:33:06,907 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:33:06,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:33:06,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:33:06,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:33:06,909 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:33:06,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:33:06,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:33:06,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:33:06,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:33:06,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:33:06,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:33:06,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:33:06,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:33:06,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:33:06,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:33:06,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:33:06,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:33:06,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:33:06,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:33:06,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:33:06,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:33:06,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:33:06,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:33:06,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:33:06,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:33:06,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:33:06,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:33:06,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:33:06,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:33:06,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 00:33:07,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:33:07,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:33:07,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:33:07,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:33:07,240 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:33:07,241 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c [2020-10-15 00:33:07,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84ca70c29/4f61aed6d3e949bf801637791687c8ae/FLAG953bc95df [2020-10-15 00:33:07,986 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:33:07,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product01.cil.c [2020-10-15 00:33:08,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84ca70c29/4f61aed6d3e949bf801637791687c8ae/FLAG953bc95df [2020-10-15 00:33:08,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84ca70c29/4f61aed6d3e949bf801637791687c8ae [2020-10-15 00:33:08,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:33:08,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:33:08,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:33:08,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:33:08,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:33:08,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:33:08" (1/1) ... [2020-10-15 00:33:08,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d644e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:08, skipping insertion in model container [2020-10-15 00:33:08,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:33:08" (1/1) ... [2020-10-15 00:33:08,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:33:08,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:33:08,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:33:08,969 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:33:09,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:33:09,264 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:33:09,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09 WrapperNode [2020-10-15 00:33:09,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:33:09,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:33:09,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:33:09,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:33:09,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... [2020-10-15 00:33:09,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... [2020-10-15 00:33:09,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... [2020-10-15 00:33:09,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... [2020-10-15 00:33:09,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... [2020-10-15 00:33:09,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... [2020-10-15 00:33:09,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... [2020-10-15 00:33:09,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:33:09,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:33:09,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:33:09,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:33:09,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:33:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:33:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:33:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 00:33:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-15 00:33:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-15 00:33:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-15 00:33:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-15 00:33:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-15 00:33:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-15 00:33:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-15 00:33:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-15 00:33:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 00:33:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-15 00:33:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-15 00:33:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-15 00:33:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 00:33:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-15 00:33:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 00:33:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 00:33:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:33:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-15 00:33:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-15 00:33:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-15 00:33:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-15 00:33:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-15 00:33:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-15 00:33:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-15 00:33:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-15 00:33:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-15 00:33:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-15 00:33:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-15 00:33:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-15 00:33:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-15 00:33:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-15 00:33:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-15 00:33:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 00:33:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 00:33:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 00:33:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 00:33:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 00:33:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 00:33:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 00:33:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 00:33:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 00:33:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 00:33:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 00:33:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 00:33:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-15 00:33:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-15 00:33:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-15 00:33:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-15 00:33:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-15 00:33:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-15 00:33:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-15 00:33:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-15 00:33:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-15 00:33:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-15 00:33:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-15 00:33:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-15 00:33:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-15 00:33:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-15 00:33:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-15 00:33:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-15 00:33:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-15 00:33:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-15 00:33:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-15 00:33:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-15 00:33:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 00:33:09,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-15 00:33:09,602 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-15 00:33:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:33:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:33:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-15 00:33:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-15 00:33:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-15 00:33:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-15 00:33:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-15 00:33:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-15 00:33:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-15 00:33:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-15 00:33:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-15 00:33:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-15 00:33:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 00:33:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-15 00:33:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-15 00:33:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-15 00:33:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 00:33:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-15 00:33:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-15 00:33:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-15 00:33:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-15 00:33:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-15 00:33:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 00:33:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-15 00:33:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 00:33:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 00:33:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 00:33:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 00:33:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 00:33:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 00:33:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:33:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-15 00:33:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-15 00:33:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-15 00:33:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-15 00:33:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-15 00:33:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-15 00:33:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-15 00:33:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-15 00:33:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-15 00:33:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-15 00:33:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-15 00:33:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-15 00:33:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 00:33:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-15 00:33:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-15 00:33:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-15 00:33:09,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-15 00:33:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-15 00:33:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 00:33:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 00:33:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 00:33:09,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 00:33:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 00:33:09,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 00:33:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 00:33:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 00:33:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 00:33:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 00:33:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 00:33:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 00:33:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 00:33:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 00:33:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 00:33:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 00:33:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 00:33:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 00:33:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 00:33:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-15 00:33:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-15 00:33:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-15 00:33:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-15 00:33:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-15 00:33:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-15 00:33:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-15 00:33:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-15 00:33:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-15 00:33:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-15 00:33:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-15 00:33:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-15 00:33:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-15 00:33:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-15 00:33:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:33:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 00:33:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:33:11,915 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:33:11,916 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-15 00:33:11,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:33:11 BoogieIcfgContainer [2020-10-15 00:33:11,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:33:11,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:33:11,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:33:11,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:33:11,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:33:08" (1/3) ... [2020-10-15 00:33:11,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e70d52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:33:11, skipping insertion in model container [2020-10-15 00:33:11,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:09" (2/3) ... [2020-10-15 00:33:11,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e70d52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:33:11, skipping insertion in model container [2020-10-15 00:33:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:33:11" (3/3) ... [2020-10-15 00:33:11,940 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product01.cil.c [2020-10-15 00:33:11,952 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:33:11,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:33:11,981 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:33:12,013 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:33:12,013 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:33:12,014 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:33:12,014 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:33:12,014 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:33:12,014 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:33:12,014 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:33:12,014 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:33:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states. [2020-10-15 00:33:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-15 00:33:12,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:33:12,077 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 00:33:12,077 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:33:12,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:33:12,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1682345477, now seen corresponding path program 1 times [2020-10-15 00:33:12,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:33:12,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408658609] [2020-10-15 00:33:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:33:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:12,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:13,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:13,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:15,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:16,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:16,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:17,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:17,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 00:33:17,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 00:33:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-15 00:33:17,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:17,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:33:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 00:33:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 00:33:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 00:33:18,787 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-15 00:33:18,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:33:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:18,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:18,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:18,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:33:18,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 00:33:18,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:18,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:18,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:33:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:18,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:18,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:33:18,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:33:18,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:18,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:18,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:33:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:18,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:18,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:18,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:33:18,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:18,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:33:18,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:18,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:18,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:33:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:18,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:18,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:18,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:33:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:33:18,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:18,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:18,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:33:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:18,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:18,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:33:18,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:33:18,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:18,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:19,093 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:33:19,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:33:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:19,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:33:19,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:19,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 00:33:19,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:19,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:33:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:33:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:19,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:33:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:19,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:19,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:33:19,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 00:33:19,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:19,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:19,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:33:19,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:19,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:33:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:19,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:33:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:19,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:19,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:33:19,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:33:19,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-15 00:33:19,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:19,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:33:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:33:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:19,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:33:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:19,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:19,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:33:19,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:19,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:33:19,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:19,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:19,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:19,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:19,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:19,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:33:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:19,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:19,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:33:19,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 00:33:19,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:19,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:19,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:19,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:19,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:33:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:19,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:19,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:33:19,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:19,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:33:19,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:19,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:19,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:19,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:19,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:19,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:19,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:33:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:19,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:19,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:33:20,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:33:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-15 00:33:20,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:33:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:33:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:33:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:20,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:33:20,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:20,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:33:20,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:20,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:20,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:20,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:33:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:33:20,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:33:20,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:33:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:20,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:33:20,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:33:20,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:33:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 00:33:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:33:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:33:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:20,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:33:20,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:20,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:33:20,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:33:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:33:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:33:20,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 00:33:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:20,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:33:20,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:33:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 00:33:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 00:33:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:20,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:33:20,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:20,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:33:20,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:33:20,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 00:33:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:33:20,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:33:20,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:33:20,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:33:20,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:33:20,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:33:20,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:33:20,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:33:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:33:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:33:20,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:33:20,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:33:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:33:20,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408658609] [2020-10-15 00:33:20,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:33:20,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 00:33:20,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084873625] [2020-10-15 00:33:20,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 00:33:20,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:33:20,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 00:33:20,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:33:20,284 INFO L87 Difference]: Start difference. First operand 741 states. Second operand 12 states. [2020-10-15 00:33:21,811 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:33:22,946 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:33:24,213 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:33:25,420 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:33:26,112 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:33:27,319 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:33:28,036 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 00:33:31,623 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:33:32,276 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:33:32,574 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:33:33,971 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:33:35,321 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-15 00:33:36,317 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:33:37,559 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:06,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:34:06,679 INFO L93 Difference]: Finished difference Result 3089 states and 5781 transitions. [2020-10-15 00:34:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-15 00:34:06,680 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2020-10-15 00:34:06,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:34:06,736 INFO L225 Difference]: With dead ends: 3089 [2020-10-15 00:34:06,736 INFO L226 Difference]: Without dead ends: 2458 [2020-10-15 00:34:06,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2020-10-15 00:34:06,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2020-10-15 00:34:07,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 1597. [2020-10-15 00:34:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1597 states. [2020-10-15 00:34:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2601 transitions. [2020-10-15 00:34:07,262 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2601 transitions. Word has length 115 [2020-10-15 00:34:07,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:34:07,263 INFO L479 AbstractCegarLoop]: Abstraction has 1597 states and 2601 transitions. [2020-10-15 00:34:07,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 00:34:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2601 transitions. [2020-10-15 00:34:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 00:34:07,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:34:07,272 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 00:34:07,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:34:07,272 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:34:07,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:34:07,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1649939533, now seen corresponding path program 1 times [2020-10-15 00:34:07,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:34:07,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868950292] [2020-10-15 00:34:07,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:34:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:07,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:07,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:08,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:11,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:12,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:12,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 00:34:12,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:34:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-15 00:34:12,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:12,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:34:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 00:34:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 00:34:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,212 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-15 00:34:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:34:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:13,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 00:34:13,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:13,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:34:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:34:13,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:34:13,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:34:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:34:13,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:34:13,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:34:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:13,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:34:13,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:34:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:34:13,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:34:13,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:13,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:13,504 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:34:13,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:34:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:34:13,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 00:34:13,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:34:13,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:13,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:13,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 00:34:13,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:13,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:13,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:34:13,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:13,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:34:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:34:14,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:34:14,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-15 00:34:14,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:14,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:34:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:14,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:34:14,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:34:14,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:34:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:34:14,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:34:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:34:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:34:14,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:34:14,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:34:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:34:14,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 00:34:14,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-15 00:34:14,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:14,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:34:14,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 00:34:14,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:14,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:34:14,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:34:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:14,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:34:14,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:34:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:34:14,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:34:14,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:34:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 00:34:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 00:34:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:34:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:34:14,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 00:34:14,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:34:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:34:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 00:34:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:34:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:34:14,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:34:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:34:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:14,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:34:14,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:34:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:14,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 00:34:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:34:14,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:34:14,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:34:14,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:34:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 00:34:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 00:34:14,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:34:14,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 00:34:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:34:14,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:34:14,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:34:14,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:34:14,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:34:14,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:34:14,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:34:14,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:34:14,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:34:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:34:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:34:14,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:34:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:34:14,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868950292] [2020-10-15 00:34:14,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:34:14,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 00:34:14,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937723603] [2020-10-15 00:34:14,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 00:34:14,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:34:14,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 00:34:14,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:34:14,616 INFO L87 Difference]: Start difference. First operand 1597 states and 2601 transitions. Second operand 13 states. [2020-10-15 00:34:16,727 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:34:17,786 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:19,404 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-15 00:34:20,699 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-15 00:34:21,416 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-15 00:34:22,723 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:34:23,072 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 00:34:23,410 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 00:34:23,991 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 00:34:24,994 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:34:25,668 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 00:34:26,427 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:34:27,891 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:34:28,173 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:34:29,430 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:34:30,138 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:34:30,841 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-15 00:34:31,109 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-15 00:34:32,728 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:34:33,483 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-15 00:34:34,198 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:37,663 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:34:40,925 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:41,614 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:34:42,660 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:42,955 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 00:34:47,494 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:34:48,153 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:34:48,399 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:34:49,605 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2020-10-15 00:34:50,327 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:34:51,045 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:34:51,569 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 00:34:51,815 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 00:34:52,451 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 00:34:59,959 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:36:19,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:36:19,084 INFO L93 Difference]: Finished difference Result 7971 states and 14828 transitions. [2020-10-15 00:36:19,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2020-10-15 00:36:19,084 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-15 00:36:19,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:36:19,144 INFO L225 Difference]: With dead ends: 7971 [2020-10-15 00:36:19,145 INFO L226 Difference]: Without dead ends: 6408 [2020-10-15 00:36:19,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3530 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=1569, Invalid=6987, Unknown=0, NotChecked=0, Total=8556 [2020-10-15 00:36:19,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6408 states. [2020-10-15 00:36:20,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6408 to 4179. [2020-10-15 00:36:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4179 states. [2020-10-15 00:36:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 4179 states and 6840 transitions. [2020-10-15 00:36:20,049 INFO L78 Accepts]: Start accepts. Automaton has 4179 states and 6840 transitions. Word has length 121 [2020-10-15 00:36:20,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:36:20,050 INFO L479 AbstractCegarLoop]: Abstraction has 4179 states and 6840 transitions. [2020-10-15 00:36:20,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 00:36:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4179 states and 6840 transitions. [2020-10-15 00:36:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-15 00:36:20,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:36:20,054 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 00:36:20,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 00:36:20,054 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:36:20,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:36:20,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1678426102, now seen corresponding path program 1 times [2020-10-15 00:36:20,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:36:20,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887602455] [2020-10-15 00:36:20,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:36:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:20,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:20,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:20,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:24,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:25,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:25,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-15 00:36:25,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 00:36:25,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-15 00:36:25,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:25,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 00:36:25,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 00:36:25,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 00:36:25,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:25,891 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2020-10-15 00:36:25,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:36:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:25,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:25,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:25,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:25,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:25,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 00:36:25,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:25,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:25,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:25,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:36:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:25,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:25,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:36:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:25,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:36:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:25,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:25,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:25,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:36:25,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:25,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:25,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:25,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:25,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:36:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:25,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:25,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:25,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:25,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:25,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:25,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:25,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:36:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:25,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:25,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:25,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:36:25,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:25,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:25,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:25,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:25,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:25,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,145 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-15 00:36:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:36:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:36:26,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 00:36:26,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:36:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:26,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 00:36:26,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:36:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 00:36:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-15 00:36:26,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:36:26,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-15 00:36:26,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:26,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 00:36:26,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:36:26,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:26,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 00:36:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:36:26,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:36:26,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 00:36:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:36:26,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:26,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 00:36:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 00:36:26,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:36:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 00:36:26,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:36:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:36:26,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:26,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:26,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:36:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:26,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:36:26,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 00:36:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 00:36:26,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 00:36:26,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:36:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 00:36:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:36:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:36:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:36:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:36:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:36:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 00:36:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 00:36:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:36:26,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:36:26,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 00:36:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 00:36:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:26,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:36:26,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:36:26,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:36:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 00:36:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:36:26,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:36:26,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:36:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 00:36:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:36:26,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:36:26,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:36:26,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:36:26,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:36:26,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:36:26,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:36:26,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:36:26,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:36:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:36:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:36:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:36:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 00:36:26,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887602455] [2020-10-15 00:36:26,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:36:26,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 00:36:26,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388698331] [2020-10-15 00:36:26,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 00:36:26,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:36:26,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 00:36:26,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:36:26,995 INFO L87 Difference]: Start difference. First operand 4179 states and 6840 transitions. Second operand 13 states. [2020-10-15 00:36:28,401 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:36:29,406 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2020-10-15 00:36:30,793 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-15 00:36:31,990 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:36:32,697 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:36:33,574 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 00:36:34,930 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:36:37,461 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:36:38,809 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:36:39,572 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-15 00:36:40,416 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 00:36:40,799 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 00:36:42,534 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:36:47,155 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:36:47,920 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2020-10-15 00:36:48,663 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-15 00:36:48,953 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-15 00:36:50,939 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-15 00:36:51,547 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 00:36:52,198 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 00:36:53,091 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 00:36:55,431 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 377