/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/email_spec0_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 00:47:05,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:47:05,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:47:05,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:47:05,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:47:05,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:47:05,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:47:05,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:47:05,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:47:05,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:47:05,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:47:05,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:47:05,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:47:05,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:47:05,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:47:05,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:47:05,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:47:05,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:47:05,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:47:05,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:47:05,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:47:05,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:47:05,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:47:05,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:47:05,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:47:05,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:47:05,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:47:05,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:47:05,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:47:05,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:47:05,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:47:05,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:47:05,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:47:05,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:47:05,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:47:05,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:47:05,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:47:05,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:47:05,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:47:05,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:47:05,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:47:05,913 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 00:47:05,955 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:47:05,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:47:05,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:47:05,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:47:05,958 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:47:05,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:47:05,959 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:47:05,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:47:05,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:47:05,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:47:05,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:47:05,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:47:05,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:47:05,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:47:05,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:47:05,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:47:05,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:47:05,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:47:05,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:47:05,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:47:05,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:47:05,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:47:05,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:47:05,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:47:05,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:47:05,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:47:05,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:47:05,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:47:05,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:47:05,964 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 00:47:06,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:47:06,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:47:06,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:47:06,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:47:06,280 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:47:06,281 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2020-10-15 00:47:06,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c57cb5bcb/27a200df81eb4188abb2dfd0d3315d0c/FLAGfe56d4341 [2020-10-15 00:47:07,008 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:47:07,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec0_product36.cil.c [2020-10-15 00:47:07,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c57cb5bcb/27a200df81eb4188abb2dfd0d3315d0c/FLAGfe56d4341 [2020-10-15 00:47:07,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c57cb5bcb/27a200df81eb4188abb2dfd0d3315d0c [2020-10-15 00:47:07,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:47:07,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:47:07,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:47:07,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:47:07,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:47:07,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:47:07" (1/1) ... [2020-10-15 00:47:07,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc7108f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:07, skipping insertion in model container [2020-10-15 00:47:07,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:47:07" (1/1) ... [2020-10-15 00:47:07,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:47:07,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:47:08,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:47:08,096 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:47:08,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:47:08,385 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:47:08,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08 WrapperNode [2020-10-15 00:47:08,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:47:08,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:47:08,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:47:08,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:47:08,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (1/1) ... [2020-10-15 00:47:08,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (1/1) ... [2020-10-15 00:47:08,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (1/1) ... [2020-10-15 00:47:08,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (1/1) ... [2020-10-15 00:47:08,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (1/1) ... [2020-10-15 00:47:08,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (1/1) ... [2020-10-15 00:47:08,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (1/1) ... [2020-10-15 00:47:08,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:47:08,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:47:08,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:47:08,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:47:08,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (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 00:47:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:47:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:47:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 00:47:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 00:47:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 00:47:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 00:47:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 00:47:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 00:47:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 00:47:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 00:47:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 00:47:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 00:47:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 00:47:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-15 00:47:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 00:47:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-15 00:47:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-15 00:47:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-15 00:47:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-15 00:47:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-15 00:47:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-15 00:47:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-15 00:47:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-15 00:47:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-15 00:47:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-15 00:47:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-15 00:47:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-15 00:47:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-15 00:47:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-15 00:47:08,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-15 00:47:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-15 00:47:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-15 00:47:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-15 00:47:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-15 00:47:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-15 00:47:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-15 00:47:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-15 00:47:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-15 00:47:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-15 00:47:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-15 00:47:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-15 00:47:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-15 00:47:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-15 00:47:08,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-15 00:47:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-15 00:47:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-15 00:47:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-15 00:47:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-15 00:47:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-15 00:47:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-15 00:47:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-15 00:47:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-15 00:47:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-10-15 00:47:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-15 00:47:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-15 00:47:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-15 00:47:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-15 00:47:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-15 00:47:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-15 00:47:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-15 00:47:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-15 00:47:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-15 00:47:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-15 00:47:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-15 00:47:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-15 00:47:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-15 00:47:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-15 00:47:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-15 00:47:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-15 00:47:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-15 00:47:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-15 00:47:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-15 00:47:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-15 00:47:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-15 00:47:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-15 00:47:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-15 00:47:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-15 00:47:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-15 00:47:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-15 00:47:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-15 00:47:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-15 00:47:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-15 00:47:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-15 00:47:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-15 00:47:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-15 00:47:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2020-10-15 00:47:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 00:47:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-15 00:47:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-15 00:47:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-15 00:47:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-15 00:47:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-15 00:47:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 00:47:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:47:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-15 00:47:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-15 00:47:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-15 00:47:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:47:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:47:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 00:47:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 00:47:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 00:47:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 00:47:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 00:47:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 00:47:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 00:47:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 00:47:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 00:47:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 00:47:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 00:47:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 00:47:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 00:47:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 00:47:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 00:47:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 00:47:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 00:47:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 00:47:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 00:47:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 00:47:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 00:47:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 00:47:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-15 00:47:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 00:47:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-15 00:47:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-15 00:47:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-15 00:47:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-15 00:47:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-15 00:47:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-15 00:47:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-15 00:47:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-15 00:47:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-15 00:47:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-15 00:47:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-15 00:47:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-15 00:47:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-15 00:47:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-15 00:47:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-15 00:47:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-15 00:47:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-15 00:47:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-15 00:47:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-15 00:47:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-15 00:47:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-15 00:47:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-15 00:47:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-15 00:47:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-15 00:47:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-15 00:47:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-15 00:47:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-15 00:47:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-15 00:47:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-15 00:47:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-15 00:47:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-15 00:47:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-15 00:47:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-15 00:47:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-15 00:47:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-15 00:47:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-15 00:47:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-15 00:47:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-15 00:47:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-15 00:47:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-15 00:47:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-15 00:47:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-15 00:47:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-15 00:47:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-15 00:47:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-15 00:47:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-15 00:47:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-15 00:47:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-15 00:47:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-15 00:47:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-15 00:47:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-15 00:47:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-15 00:47:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-15 00:47:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-10-15 00:47:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-15 00:47:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2020-10-15 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-15 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-15 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-15 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-15 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-15 00:47:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-15 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-15 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-15 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-15 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-15 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-15 00:47:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-15 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-15 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-15 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-15 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-15 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-15 00:47:08,694 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-15 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-15 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-15 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-15 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-15 00:47:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-15 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-15 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 00:47:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:47:10,685 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:47:10,685 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 00:47:10,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:47:10 BoogieIcfgContainer [2020-10-15 00:47:10,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:47:10,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:47:10,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:47:10,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:47:10,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:47:07" (1/3) ... [2020-10-15 00:47:10,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5a296f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:47:10, skipping insertion in model container [2020-10-15 00:47:10,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:47:08" (2/3) ... [2020-10-15 00:47:10,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5a296f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:47:10, skipping insertion in model container [2020-10-15 00:47:10,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:47:10" (3/3) ... [2020-10-15 00:47:10,702 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2020-10-15 00:47:10,715 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:47:10,724 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:47:10,741 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:47:10,770 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:47:10,770 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:47:10,771 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:47:10,771 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:47:10,771 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:47:10,771 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:47:10,771 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:47:10,772 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:47:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2020-10-15 00:47:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 00:47:10,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:47:10,823 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:47:10,824 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:47:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:47:10,831 INFO L82 PathProgramCache]: Analyzing trace with hash -181323665, now seen corresponding path program 1 times [2020-10-15 00:47:10,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:47:10,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150439189] [2020-10-15 00:47:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:47:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:11,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:11,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:11,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:12,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:16,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:16,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-15 00:47:16,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 00:47:16,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-15 00:47:16,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:16,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:16,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-15 00:47:16,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-15 00:47:16,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 00:47:16,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-15 00:47:18,118 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-15 00:47:18,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:47:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:47:18,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 00:47:18,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:47:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:47:18,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:47:18,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:47:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:47:18,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:47:18,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:47:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:47:18,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:47:18,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:47:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 00:47:18,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:47:18,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-15 00:47:18,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:47:18,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:47:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:47:18,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:47:18,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:47:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:18,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:47:18,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 00:47:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:47:18,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:47:18,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 00:47:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 00:47:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:47:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:47:18,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 00:47:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:47:18,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:47:18,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 00:47:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:47:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:18,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:18,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:18,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:47:18,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:18,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:18,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:18,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-15 00:47:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 00:47:19,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 00:47:19,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 00:47:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 00:47:19,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:47:19,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:47:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:47:19,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:47:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:47:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:47:19,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:47:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:47:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 00:47:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:47:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:47:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 00:47:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:47:19,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:47:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 00:47:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:47:19,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:47:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 00:47:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:47:19,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:47:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:47:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 00:47:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 00:47:19,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 00:47:19,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:47:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:47:19,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 00:47:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:47:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:47:19,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 00:47:19,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:47:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:47:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:47:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:47:19,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:47:19,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:19,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:47:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:47:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:47:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:47:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:47:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 00:47:19,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-15 00:47:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:47:19,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:47:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:19,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-15 00:47:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:47:19,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:47:19,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:47:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-15 00:47:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:47:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:47:19,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:47:19,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:47:19,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:47:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:47:19,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:47:19,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:47:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:47:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:47:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:47:19,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:47:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-15 00:47:19,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150439189] [2020-10-15 00:47:19,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 00:47:19,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-15 00:47:19,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230003764] [2020-10-15 00:47:19,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-15 00:47:19,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:47:19,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-15 00:47:19,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2020-10-15 00:47:19,686 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 26 states. [2020-10-15 00:47:21,851 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-15 00:47:24,121 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:47:26,375 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:47:27,734 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-15 00:47:29,156 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:47:31,671 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:47:35,859 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:47:38,159 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 00:47:39,848 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-15 00:47:41,246 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:47:42,695 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:47:43,918 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:47:45,264 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:47:47,207 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:47:51,078 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:47:52,323 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:47:53,567 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:47:54,807 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-15 00:47:56,076 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:47:57,485 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:47:58,744 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-15 00:48:00,114 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-15 00:48:12,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:48:12,174 INFO L93 Difference]: Finished difference Result 1180 states and 1871 transitions. [2020-10-15 00:48:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2020-10-15 00:48:12,176 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 150 [2020-10-15 00:48:12,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:48:12,207 INFO L225 Difference]: With dead ends: 1180 [2020-10-15 00:48:12,208 INFO L226 Difference]: Without dead ends: 875 [2020-10-15 00:48:12,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3448 ImplicationChecksByTransitivity, 31.5s TimeCoverageRelationStatistics Valid=1776, Invalid=9144, Unknown=0, NotChecked=0, Total=10920 [2020-10-15 00:48:12,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-15 00:48:12,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 580. [2020-10-15 00:48:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-10-15 00:48:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 796 transitions. [2020-10-15 00:48:12,640 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 796 transitions. Word has length 150 [2020-10-15 00:48:12,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:48:12,641 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 796 transitions. [2020-10-15 00:48:12,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-15 00:48:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 796 transitions. [2020-10-15 00:48:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-15 00:48:12,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:48:12,647 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:48:12,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:48:12,648 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:48:12,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:48:12,649 INFO L82 PathProgramCache]: Analyzing trace with hash -728493891, now seen corresponding path program 1 times [2020-10-15 00:48:12,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:48:12,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [415724571] [2020-10-15 00:48:12,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:48:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:12,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:12,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:12,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:13,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:13,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:14,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:14,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:14,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:17,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:17,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 00:48:17,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 00:48:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-15 00:48:17,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:17,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 00:48:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-15 00:48:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 00:48:17,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:19,109 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-15 00:48:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:48:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:48:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 00:48:19,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:48:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:48:19,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:48:19,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:48:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:48:19,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:19,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:19,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:48:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:48:19,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:19,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:19,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:48:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 00:48:19,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:48:19,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-15 00:48:19,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:48:19,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 00:48:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 00:48:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:48:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:48:19,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:48:19,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:48:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:19,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:19,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 00:48:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:48:19,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:48:19,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:48:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:19,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:19,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 00:48:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:48:19,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 00:48:19,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:48:19,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:48:19,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 00:48:19,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:48:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:19,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:19,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:48:19,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:48:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:48:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:19,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 00:48:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:19,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:19,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:19,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 00:48:19,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:48:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 00:48:19,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:19,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:48:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:19,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 00:48:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:48:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:48:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:48:20,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:48:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:48:20,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:48:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:48:20,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:48:20,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:48:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:48:20,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-15 00:48:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:48:20,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:48:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:48:20,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 00:48:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:48:20,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:48:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:48:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 00:48:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:48:20,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:48:20,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:48:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:48:20,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 00:48:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:48:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:48:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:48:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:48:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:48:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:48:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:20,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 00:48:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 00:48:20,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:48:20,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 00:48:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:20,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:48:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:48:20,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:20,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:20,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:48:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:48:20,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:20,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:20,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:48:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:20,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:48:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:20,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-15 00:48:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:20,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:48:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:48:20,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-15 00:48:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:48:20,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:20,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:48:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:20,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:20,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-15 00:48:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:20,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:20,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:48:20,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:48:20,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:48:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:48:20,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:48:20,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:48:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:48:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:48:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:48:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:48:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-15 00:48:20,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [415724571] [2020-10-15 00:48:20,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:48:20,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-15 00:48:20,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350278072] [2020-10-15 00:48:20,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-15 00:48:20,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:48:20,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-15 00:48:20,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2020-10-15 00:48:20,380 INFO L87 Difference]: Start difference. First operand 580 states and 796 transitions. Second operand 26 states. [2020-10-15 00:48:23,762 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-15 00:48:25,767 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 00:48:27,104 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:28,447 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:30,618 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:34,473 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:35,918 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:48:38,125 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:39,394 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:48:40,907 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:42,220 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:48:44,697 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:46,017 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:48:49,533 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 524 [2020-10-15 00:48:50,881 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:52,216 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 522 [2020-10-15 00:48:59,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:48:59,183 INFO L93 Difference]: Finished difference Result 1528 states and 2389 transitions. [2020-10-15 00:48:59,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-15 00:48:59,184 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 152 [2020-10-15 00:48:59,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:48:59,194 INFO L225 Difference]: With dead ends: 1528 [2020-10-15 00:48:59,195 INFO L226 Difference]: Without dead ends: 977 [2020-10-15 00:48:59,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1654 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=898, Invalid=6074, Unknown=0, NotChecked=0, Total=6972 [2020-10-15 00:48:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-15 00:48:59,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 641. [2020-10-15 00:48:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-10-15 00:48:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 886 transitions. [2020-10-15 00:48:59,475 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 886 transitions. Word has length 152 [2020-10-15 00:48:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:48:59,476 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 886 transitions. [2020-10-15 00:48:59,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-15 00:48:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 886 transitions. [2020-10-15 00:48:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-15 00:48:59,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:48:59,479 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:48:59,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 00:48:59,480 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:48:59,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:48:59,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1552183889, now seen corresponding path program 1 times [2020-10-15 00:48:59,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:48:59,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275540668] [2020-10-15 00:48:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:48:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:48:59,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:59,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:59,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:48:59,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:04,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:04,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-15 00:49:04,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 00:49:04,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-15 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 00:49:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:05,984 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-15 00:49:05,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:49:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:06,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 00:49:06,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:49:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:49:06,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:49:06,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:49:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:49:06,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:49:06,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:49:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:06,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:49:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:06,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:49:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-15 00:49:06,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:49:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-15 00:49:06,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:49:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 00:49:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 00:49:06,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:06,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:49:06,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:49:06,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:06,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:06,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:06,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 00:49:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:49:06,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:49:06,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:06,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:06,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 00:49:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:49:06,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 00:49:06,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:49:06,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:49:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:49:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:06,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:49:06,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:49:06,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 00:49:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 00:49:06,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:06,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 00:49:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 00:49:06,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:49:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 00:49:06,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:49:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 00:49:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:06,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:49:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:49:06,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:06,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:49:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:06,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:49:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:49:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-15 00:49:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:06,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:06,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 00:49:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:06,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:06,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:06,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 00:49:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:06,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:49:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:49:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:06,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 00:49:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:06,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:06,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:06,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:49:06,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:49:06,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:06,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:49:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 00:49:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:49:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:07,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 00:49:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:07,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:07,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:07,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 00:49:07,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:07,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:49:07,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:07,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-15 00:49:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:07,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:07,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:49:07,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:49:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:07,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:07,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:07,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:07,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:07,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:07,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:07,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:07,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:49:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:07,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:07,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:07,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:07,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:07,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:07,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:07,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 00:49:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:07,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:07,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:07,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:07,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:07,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:49:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:49:07,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-15 00:49:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:07,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:07,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:07,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:07,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:07,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:49:07,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:07,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:49:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:07,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-15 00:49:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:07,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:07,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:07,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:07,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:07,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:07,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:07,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:07,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:49:07,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:07,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-15 00:49:07,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275540668] [2020-10-15 00:49:07,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:49:07,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-15 00:49:07,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108799736] [2020-10-15 00:49:07,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-15 00:49:07,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:49:07,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-15 00:49:07,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2020-10-15 00:49:07,304 INFO L87 Difference]: Start difference. First operand 641 states and 886 transitions. Second operand 26 states. [2020-10-15 00:49:09,329 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-15 00:49:10,959 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:12,881 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:14,884 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:18,724 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:20,316 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:49:22,707 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:24,094 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:49:25,755 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-15 00:49:27,206 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 533 [2020-10-15 00:49:29,705 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:31,056 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:49:34,629 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-15 00:49:35,979 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:37,276 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-15 00:49:43,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:49:43,964 INFO L93 Difference]: Finished difference Result 1567 states and 2389 transitions. [2020-10-15 00:49:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-15 00:49:43,965 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 153 [2020-10-15 00:49:43,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:49:43,972 INFO L225 Difference]: With dead ends: 1567 [2020-10-15 00:49:43,973 INFO L226 Difference]: Without dead ends: 977 [2020-10-15 00:49:43,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1423 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=807, Invalid=5355, Unknown=0, NotChecked=0, Total=6162 [2020-10-15 00:49:43,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-15 00:49:44,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 637. [2020-10-15 00:49:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-15 00:49:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 874 transitions. [2020-10-15 00:49:44,203 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 874 transitions. Word has length 153 [2020-10-15 00:49:44,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:49:44,204 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 874 transitions. [2020-10-15 00:49:44,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-15 00:49:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 874 transitions. [2020-10-15 00:49:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-15 00:49:44,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:49:44,207 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:49:44,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 00:49:44,207 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:49:44,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:49:44,207 INFO L82 PathProgramCache]: Analyzing trace with hash -765980543, now seen corresponding path program 1 times [2020-10-15 00:49:44,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:49:44,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401283736] [2020-10-15 00:49:44,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:49:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:44,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:44,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:45,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:45,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:48,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:48,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:49,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:49,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-15 00:49:49,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 00:49:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 00:49:49,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:49,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 00:49:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:49:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-15 00:49:49,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,576 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-15 00:49:50,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:49:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:49:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:49:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:49:50,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:49:50,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:49:50,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:49:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:49:50,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:50,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:49:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:49:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:50,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:49:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:49:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 00:49:50,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:49:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-15 00:49:50,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 00:49:50,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:50,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:50,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:50,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:50,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 00:49:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:49:50,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:49:50,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:50,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:50,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:50,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:50,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:50,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:50,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 00:49:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:49:50,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:49:50,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:50,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:49:50,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:50,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:50,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:49:50,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 00:49:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:50,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:50,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:50,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 00:49:50,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:50,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 00:49:50,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:50,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 00:49:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:51,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:49:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:51,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 00:49:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 00:49:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:51,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:51,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 00:49:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:51,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:51,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 00:49:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 00:49:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 00:49:51,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:49:51,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:51,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:49:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:51,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:49:51,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:49:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:49:51,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:49:51,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:51,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-15 00:49:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:49:51,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:49:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:49:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:49:51,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-15 00:49:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:49:51,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:49:51,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:51,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:49:51,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:51,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 00:49:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:49:51,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:49:51,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:49:51,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:49:51,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:49:51,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:49:51,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:49:51,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:49:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:49:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:49:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:49:51,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:49:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 00:49:51,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401283736] [2020-10-15 00:49:51,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:49:51,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 00:49:51,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20222465] [2020-10-15 00:49:51,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 00:49:51,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:49:51,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 00:49:51,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:49:51,202 INFO L87 Difference]: Start difference. First operand 637 states and 874 transitions. Second operand 13 states. [2020-10-15 00:49:52,823 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 00:50:01,431 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-15 00:50:02,720 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-15 00:50:04,001 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-15 00:50:06,275 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 00:50:07,656 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-15 00:50:15,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:50:15,971 INFO L93 Difference]: Finished difference Result 2341 states and 3633 transitions. [2020-10-15 00:50:15,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-15 00:50:15,972 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2020-10-15 00:50:15,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:50:15,987 INFO L225 Difference]: With dead ends: 2341 [2020-10-15 00:50:15,987 INFO L226 Difference]: Without dead ends: 1882 [2020-10-15 00:50:15,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=373, Invalid=1033, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 00:50:15,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2020-10-15 00:50:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1229. [2020-10-15 00:50:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1229 states. [2020-10-15 00:50:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1702 transitions. [2020-10-15 00:50:16,477 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1702 transitions. Word has length 154 [2020-10-15 00:50:16,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:50:16,478 INFO L479 AbstractCegarLoop]: Abstraction has 1229 states and 1702 transitions. [2020-10-15 00:50:16,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 00:50:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1702 transitions. [2020-10-15 00:50:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-15 00:50:16,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:50:16,482 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:50:16,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 00:50:16,482 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:50:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:50:16,482 INFO L82 PathProgramCache]: Analyzing trace with hash -275878828, now seen corresponding path program 1 times [2020-10-15 00:50:16,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:50:16,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115050948] [2020-10-15 00:50:16,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:50:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:16,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:16,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:16,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:17,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:17,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:17,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:18,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:19,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:21,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-15 00:50:21,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 00:50:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 00:50:21,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:21,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:21,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 00:50:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:50:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-15 00:50:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:22,737 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 517 [2020-10-15 00:50:22,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:50:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:22,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:22,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:50:22,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 00:50:22,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:22,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:50:22,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:22,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:50:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:22,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:22,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:50:22,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:22,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:22,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:50:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:50:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:22,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:22,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:22,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 00:50:22,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:22,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:22,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 00:50:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:22,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 00:50:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:22,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:22,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:50:22,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:22,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:22,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:50:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 00:50:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:22,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:22,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 00:50:23,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:50:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-15 00:50:23,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 00:50:23,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:50:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:50:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 00:50:23,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:50:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:23,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 00:50:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 00:50:23,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:50:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 00:50:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 00:50:23,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:50:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 00:50:23,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 00:50:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 00:50:23,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 00:50:23,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 00:50:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:50:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:50:23,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:50:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 00:50:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:50:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 00:50:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:50:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 00:50:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:50:23,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 00:50:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:50:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 00:50:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:50:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 00:50:23,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:50:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 00:50:23,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:23,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:50:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:50:23,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:23,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 00:50:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:50:23,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:23,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-15 00:50:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:50:23,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 00:50:23,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:50:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:50:23,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 00:50:23,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 00:50:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:50:23,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 00:50:23,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 00:50:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-15 00:50:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:23,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:23,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 00:50:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:50:23,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:50:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 00:50:23,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115050948] [2020-10-15 00:50:23,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:50:23,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 00:50:23,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519825704] [2020-10-15 00:50:23,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 00:50:23,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:50:23,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 00:50:23,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 00:50:23,290 INFO L87 Difference]: Start difference. First operand 1229 states and 1702 transitions. Second operand 13 states. [2020-10-15 00:50:25,007 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 00:50:33,534 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-15 00:50:34,964 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-15 00:50:36,179 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-15 00:50:38,910 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 519 [2020-10-15 00:50:40,316 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 520 [2020-10-15 00:50:49,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:50:49,167 INFO L93 Difference]: Finished difference Result 4647 states and 7225 transitions. [2020-10-15 00:50:49,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-15 00:50:49,168 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 155 [2020-10-15 00:50:49,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:50:49,195 INFO L225 Difference]: With dead ends: 4647 [2020-10-15 00:50:49,196 INFO L226 Difference]: Without dead ends: 3718 [2020-10-15 00:50:49,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=373, Invalid=1033, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 00:50:49,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2020-10-15 00:50:50,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 2413. [2020-10-15 00:50:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2020-10-15 00:50:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 3360 transitions. [2020-10-15 00:50:50,368 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 3360 transitions. Word has length 155 [2020-10-15 00:50:50,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:50:50,369 INFO L479 AbstractCegarLoop]: Abstraction has 2413 states and 3360 transitions. [2020-10-15 00:50:50,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 00:50:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 3360 transitions. [2020-10-15 00:50:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-15 00:50:50,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:50:50,377 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:50:50,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 00:50:50,377 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:50:50,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:50:50,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1824885411, now seen corresponding path program 1 times [2020-10-15 00:50:50,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:50:50,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612256826] [2020-10-15 00:50:50,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:50:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:50:50,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:50,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:50,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:51,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:50:51,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking...