/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=BIGGEST --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/systemc/token_ring.11.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:07:46,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:07:46,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:07:46,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:07:46,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:07:46,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:07:46,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:07:46,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:07:46,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:07:46,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:07:46,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:07:46,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:07:46,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:07:46,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:07:46,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:07:46,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:07:46,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:07:46,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:07:46,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:07:46,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:07:46,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:07:46,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:07:46,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:07:46,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:07:46,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:07:46,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:07:46,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:07:46,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:07:46,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:07:46,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:07:46,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:07:46,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:07:46,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:07:46,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:07:46,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:07:46,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:07:46,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:07:46,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:07:46,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:07:46,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:07:46,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:07:46,353 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 [2020-10-12 21:07:46,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:07:46,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:07:46,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:07:46,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:07:46,405 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:07:46,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:07:46,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:07:46,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:07:46,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:07:46,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:07:46,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:07:46,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:07:46,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:07:46,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:07:46,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:07:46,407 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:07:46,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:07:46,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:07:46,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:07:46,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:07:46,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:07:46,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:07:46,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:07:46,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:07:46,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:07:46,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:07:46,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:07:46,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:07:46,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:07:46,412 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:07:46,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:07:46,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:07:46,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:07:46,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:07:46,760 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:07:46,761 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-12 21:07:46,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bb10de33/0c33153a9e0c496cad447412846427b9/FLAGb91a0447c [2020-10-12 21:07:47,359 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:07:47,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-12 21:07:47,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bb10de33/0c33153a9e0c496cad447412846427b9/FLAGb91a0447c [2020-10-12 21:07:47,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0bb10de33/0c33153a9e0c496cad447412846427b9 [2020-10-12 21:07:47,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:07:47,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:07:47,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:47,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:07:47,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:07:47,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:47" (1/1) ... [2020-10-12 21:07:47,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd1f025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:47, skipping insertion in model container [2020-10-12 21:07:47,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:47" (1/1) ... [2020-10-12 21:07:47,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:07:47,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:07:48,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:48,256 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:07:48,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:48,369 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:07:48,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48 WrapperNode [2020-10-12 21:07:48,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:48,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:07:48,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:07:48,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:07:48,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (1/1) ... [2020-10-12 21:07:48,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:07:48,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:07:48,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:07:48,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:07:48,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (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 [2020-10-12 21:07:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:07:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:07:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:07:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:07:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:07:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:07:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:07:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:07:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:07:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:07:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:07:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:07:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:07:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-12 21:07:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-12 21:07:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:07:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:07:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:07:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:07:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:07:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:07:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:07:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:07:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:07:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:07:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-12 21:07:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-12 21:07:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:07:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:07:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:07:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:07:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:07:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:07:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:07:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:07:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:07:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:07:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:07:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:07:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:07:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:07:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:07:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:07:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:07:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:07:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:07:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:07:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:07:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:07:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:07:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:07:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:07:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:07:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-12 21:07:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-12 21:07:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:07:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:07:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:07:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:07:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:07:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:07:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:07:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:07:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:07:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:07:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:07:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:07:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-12 21:07:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-12 21:07:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:07:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:07:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:07:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:07:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:07:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:07:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:07:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:07:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:07:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:07:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:07:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:07:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:07:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:07:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:07:49,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:07:49,736 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-12 21:07:49,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:49 BoogieIcfgContainer [2020-10-12 21:07:49,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:07:49,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:07:49,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:07:49,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:07:49,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:07:47" (1/3) ... [2020-10-12 21:07:49,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8a5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:49, skipping insertion in model container [2020-10-12 21:07:49,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:48" (2/3) ... [2020-10-12 21:07:49,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8a5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:49, skipping insertion in model container [2020-10-12 21:07:49,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:49" (3/3) ... [2020-10-12 21:07:49,764 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.11.cil-2.c [2020-10-12 21:07:49,773 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:07:49,781 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:07:49,794 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:07:49,820 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:07:49,820 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:07:49,820 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:07:49,821 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:07:49,821 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:07:49,821 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:07:49,821 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:07:49,822 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:07:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states. [2020-10-12 21:07:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:07:49,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:49,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:49,869 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:49,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:49,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1969298701, now seen corresponding path program 1 times [2020-10-12 21:07:49,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:49,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464206809] [2020-10-12 21:07:49,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:50,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:07:55,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:07:55,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 21:07:55,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:07:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:07:55,605 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:07:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:55,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 21:07:55,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:55,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:55,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:07:55,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:55,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:55,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:07:55,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:07:55,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:07:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:07:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:07:55,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 21:07:55,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:07:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:07:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:08:00,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:01,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:01,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:01,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:01,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:01,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:01,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:01,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:01,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:01,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:08:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:01,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:01,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:08:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:08:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:01,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:01,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464206809] [2020-10-12 21:08:01,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:01,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:08:01,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378030860] [2020-10-12 21:08:01,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:08:01,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:01,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:08:01,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:08:01,376 INFO L87 Difference]: Start difference. First operand 444 states. Second operand 12 states. [2020-10-12 21:08:01,658 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:08:03,882 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:04,135 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:08:04,406 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:04,552 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:08:04,821 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:04,944 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:08:11,620 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 21:08:11,864 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:08:12,222 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 21:08:12,572 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 21:08:17,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:17,621 INFO L93 Difference]: Finished difference Result 1866 states and 3134 transitions. [2020-10-12 21:08:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:08:17,629 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 217 [2020-10-12 21:08:17,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:17,680 INFO L225 Difference]: With dead ends: 1866 [2020-10-12 21:08:17,680 INFO L226 Difference]: Without dead ends: 1432 [2020-10-12 21:08:17,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 21:08:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2020-10-12 21:08:17,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 864. [2020-10-12 21:08:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2020-10-12 21:08:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1274 transitions. [2020-10-12 21:08:18,004 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1274 transitions. Word has length 217 [2020-10-12 21:08:18,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:18,004 INFO L479 AbstractCegarLoop]: Abstraction has 864 states and 1274 transitions. [2020-10-12 21:08:18,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:08:18,005 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1274 transitions. [2020-10-12 21:08:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:08:18,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:18,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:18,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:08:18,012 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:18,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:18,018 INFO L82 PathProgramCache]: Analyzing trace with hash -568469007, now seen corresponding path program 1 times [2020-10-12 21:08:18,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:18,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754289777] [2020-10-12 21:08:18,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:18,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:18,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:19,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:08:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 21:08:23,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:08:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:23,344 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:08:23,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:23,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:08:23,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:23,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:23,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:23,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:08:23,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:23,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:23,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:23,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:08:23,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:08:23,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:23,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:23,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:08:23,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:08:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:23,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:23,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:23,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 21:08:23,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:08:23,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:23,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:08:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:23,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:27,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:08:28,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:28,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:08:28,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:08:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:28,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:08:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:28,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:28,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:08:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:08:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:28,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:28,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754289777] [2020-10-12 21:08:28,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:28,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:28,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15458183] [2020-10-12 21:08:28,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:28,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:28,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:28,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:28,905 INFO L87 Difference]: Start difference. First operand 864 states and 1274 transitions. Second operand 13 states. [2020-10-12 21:08:29,219 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:08:29,386 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 21:08:29,646 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 21:08:31,777 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:32,009 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:08:32,263 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:32,663 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:08:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:38,766 INFO L93 Difference]: Finished difference Result 2225 states and 3477 transitions. [2020-10-12 21:08:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:08:38,767 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2020-10-12 21:08:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:38,783 INFO L225 Difference]: With dead ends: 2225 [2020-10-12 21:08:38,783 INFO L226 Difference]: Without dead ends: 1390 [2020-10-12 21:08:38,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:08:38,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2020-10-12 21:08:39,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 874. [2020-10-12 21:08:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-10-12 21:08:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1277 transitions. [2020-10-12 21:08:39,017 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1277 transitions. Word has length 217 [2020-10-12 21:08:39,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:39,018 INFO L479 AbstractCegarLoop]: Abstraction has 874 states and 1277 transitions. [2020-10-12 21:08:39,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1277 transitions. [2020-10-12 21:08:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:08:39,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:39,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:39,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:08:39,026 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:39,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:39,027 INFO L82 PathProgramCache]: Analyzing trace with hash -2104128913, now seen corresponding path program 1 times [2020-10-12 21:08:39,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:39,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557667835] [2020-10-12 21:08:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:08:44,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:08:44,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,358 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:08:44,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:44,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:44,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:44,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:44,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:44,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:08:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:08:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:44,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 21:08:44,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:08:44,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:08:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:45,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:08:49,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:08:49,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:08:49,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:49,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:49,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:49,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:49,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:08:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:08:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:49,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:08:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:08:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:49,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:49,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:49,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557667835] [2020-10-12 21:08:49,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:49,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:49,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728988543] [2020-10-12 21:08:49,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:49,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:49,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:49,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:49,846 INFO L87 Difference]: Start difference. First operand 874 states and 1277 transitions. Second operand 13 states. [2020-10-12 21:08:50,088 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:08:51,584 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:51,834 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:08:52,087 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:08:52,353 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 21:08:52,590 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 21:08:59,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:59,556 INFO L93 Difference]: Finished difference Result 2292 states and 3556 transitions. [2020-10-12 21:08:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:08:59,556 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2020-10-12 21:08:59,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:59,566 INFO L225 Difference]: With dead ends: 2292 [2020-10-12 21:08:59,567 INFO L226 Difference]: Without dead ends: 1447 [2020-10-12 21:08:59,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:08:59,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2020-10-12 21:08:59,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 884. [2020-10-12 21:08:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-10-12 21:08:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1280 transitions. [2020-10-12 21:08:59,723 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1280 transitions. Word has length 217 [2020-10-12 21:08:59,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:59,724 INFO L479 AbstractCegarLoop]: Abstraction has 884 states and 1280 transitions. [2020-10-12 21:08:59,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1280 transitions. [2020-10-12 21:08:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:08:59,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:59,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:59,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:08:59,731 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:59,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:59,731 INFO L82 PathProgramCache]: Analyzing trace with hash -610047379, now seen corresponding path program 1 times [2020-10-12 21:08:59,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:59,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54169109] [2020-10-12 21:08:59,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:59,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:04,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:04,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:09:04,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:09:04,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:09:04,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:04,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:04,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:04,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:09:04,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,012 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:09:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:05,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:05,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:05,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:05,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:05,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:05,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:05,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:05,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:09:05,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:05,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:05,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:05,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:09:05,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:09:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:05,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:05,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:05,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:09:05,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:05,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:05,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:05,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:09:05,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:05,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:09:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:05,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:10,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:10,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:10,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:10,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:10,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:09:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:10,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:10,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:09:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:09:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:10,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:10,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:10,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:10,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:10,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:10,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:10,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54169109] [2020-10-12 21:09:10,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:10,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:09:10,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832642562] [2020-10-12 21:09:10,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:09:10,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:10,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:09:10,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:09:10,438 INFO L87 Difference]: Start difference. First operand 884 states and 1280 transitions. Second operand 13 states. [2020-10-12 21:09:10,690 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:09:12,525 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:09:12,794 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:09:12,939 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:09:13,188 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:09:13,336 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:09:13,614 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:09:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:20,779 INFO L93 Difference]: Finished difference Result 2301 states and 3543 transitions. [2020-10-12 21:09:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:09:20,780 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2020-10-12 21:09:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:20,789 INFO L225 Difference]: With dead ends: 2301 [2020-10-12 21:09:20,790 INFO L226 Difference]: Without dead ends: 1446 [2020-10-12 21:09:20,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:09:20,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2020-10-12 21:09:20,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 894. [2020-10-12 21:09:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-12 21:09:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1283 transitions. [2020-10-12 21:09:20,945 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1283 transitions. Word has length 217 [2020-10-12 21:09:20,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:20,946 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1283 transitions. [2020-10-12 21:09:20,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:09:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1283 transitions. [2020-10-12 21:09:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:09:20,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:20,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:20,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:09:20,951 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:20,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:20,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1409318513, now seen corresponding path program 1 times [2020-10-12 21:09:20,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:20,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479685607] [2020-10-12 21:09:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:21,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:25,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:25,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:25,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:09:25,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 21:09:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:09:25,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 21:09:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,237 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:09:26,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:26,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:26,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:26,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:26,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:26,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:09:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:26,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:09:26,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:09:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:09:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:09:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-10-12 21:09:27,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:09:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:27,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:27,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:27,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:27,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:09:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:27,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:27,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:09:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:09:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:27,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479685607] [2020-10-12 21:09:27,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:27,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:09:27,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20923459] [2020-10-12 21:09:27,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:09:27,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:27,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:09:27,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:09:27,964 INFO L87 Difference]: Start difference. First operand 894 states and 1283 transitions. Second operand 13 states. [2020-10-12 21:09:28,221 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:09:29,771 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:30,020 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:30,415 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:09:30,798 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:38,866 INFO L93 Difference]: Finished difference Result 2341 states and 3580 transitions. [2020-10-12 21:09:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:09:38,867 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2020-10-12 21:09:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:38,876 INFO L225 Difference]: With dead ends: 2341 [2020-10-12 21:09:38,877 INFO L226 Difference]: Without dead ends: 1476 [2020-10-12 21:09:38,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:09:38,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2020-10-12 21:09:39,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 904. [2020-10-12 21:09:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2020-10-12 21:09:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1286 transitions. [2020-10-12 21:09:39,044 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1286 transitions. Word has length 217 [2020-10-12 21:09:39,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:39,044 INFO L479 AbstractCegarLoop]: Abstraction has 904 states and 1286 transitions. [2020-10-12 21:09:39,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:09:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1286 transitions. [2020-10-12 21:09:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:09:39,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:39,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:39,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:09:39,050 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:39,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:39,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1035855693, now seen corresponding path program 1 times [2020-10-12 21:09:39,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:39,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439256800] [2020-10-12 21:09:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:39,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:44,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:09:44,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-12 21:09:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:09:44,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 21:09:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:44,341 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:09:44,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:44,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:44,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:44,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:44,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:09:44,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:44,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:44,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:44,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:44,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:44,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:44,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:44,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:44,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:44,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:44,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:44,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:44,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:44,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:44,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:44,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:44,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:44,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:44,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:44,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:09:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:44,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:09:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:44,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:44,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:44,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:44,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:09:44,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:44,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:44,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:44,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:09:44,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:44,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:09:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:44,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:09:45,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:09:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-12 21:09:45,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:09:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:45,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:45,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:45,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:45,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:45,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:45,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:45,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:09:45,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:09:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:09:45,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:45,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:09:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:09:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:45,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:45,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:45,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:45,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:45,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:45,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439256800] [2020-10-12 21:09:45,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:45,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:09:45,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429499298] [2020-10-12 21:09:45,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:09:45,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:45,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:09:45,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:45,375 INFO L87 Difference]: Start difference. First operand 904 states and 1286 transitions. Second operand 14 states. [2020-10-12 21:09:45,692 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-12 21:09:47,391 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:47,666 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:09:47,952 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 21:09:48,097 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 21:09:48,377 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-12 21:09:48,509 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 21:09:52,130 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:09:53,274 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:09:53,523 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:09:53,664 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:09:53,922 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:09:54,069 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:09:54,316 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:10:04,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:04,132 INFO L93 Difference]: Finished difference Result 3881 states and 6015 transitions. [2020-10-12 21:10:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:10:04,132 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-10-12 21:10:04,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:04,151 INFO L225 Difference]: With dead ends: 3881 [2020-10-12 21:10:04,151 INFO L226 Difference]: Without dead ends: 3006 [2020-10-12 21:10:04,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:10:04,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2020-10-12 21:10:04,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 1958. [2020-10-12 21:10:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1958 states. [2020-10-12 21:10:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 2786 transitions. [2020-10-12 21:10:04,586 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 2786 transitions. Word has length 217 [2020-10-12 21:10:04,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:04,586 INFO L479 AbstractCegarLoop]: Abstraction has 1958 states and 2786 transitions. [2020-10-12 21:10:04,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:10:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2786 transitions. [2020-10-12 21:10:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:10:04,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:04,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:04,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:10:04,590 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:04,591 INFO L82 PathProgramCache]: Analyzing trace with hash 191475408, now seen corresponding path program 1 times [2020-10-12 21:10:04,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:04,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315489220] [2020-10-12 21:10:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:04,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:04,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:05,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:07,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:07,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:10:09,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-12 21:10:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:10:09,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:10:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:09,851 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:10:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:09,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:10:09,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:09,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:09,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:09,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:09,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:09,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:09,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:09,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:09,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:09,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:09,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:09,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:09,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:09,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:10:09,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:09,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:10:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:10:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:10,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:10:10,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:10:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:10:10,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:10:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 21:10:10,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:10:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:10,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:10,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:10,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:10,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:10,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:10,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:10,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:10,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:10,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:10,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:10:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:10:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:10,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:10,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:10,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:10,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:10,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315489220] [2020-10-12 21:10:10,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:10,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:10:10,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951416474] [2020-10-12 21:10:10,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:10:10,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:10,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:10:10,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:10:10,413 INFO L87 Difference]: Start difference. First operand 1958 states and 2786 transitions. Second operand 13 states. [2020-10-12 21:10:10,663 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:10:12,781 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:13,018 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:10:13,399 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:13,758 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:20,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:20,245 INFO L93 Difference]: Finished difference Result 4737 states and 7109 transitions. [2020-10-12 21:10:20,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:10:20,245 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2020-10-12 21:10:20,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:20,261 INFO L225 Difference]: With dead ends: 4737 [2020-10-12 21:10:20,261 INFO L226 Difference]: Without dead ends: 2808 [2020-10-12 21:10:20,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:10:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2020-10-12 21:10:20,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 1968. [2020-10-12 21:10:20,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2020-10-12 21:10:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2780 transitions. [2020-10-12 21:10:20,646 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2780 transitions. Word has length 217 [2020-10-12 21:10:20,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:20,647 INFO L479 AbstractCegarLoop]: Abstraction has 1968 states and 2780 transitions. [2020-10-12 21:10:20,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2780 transitions. [2020-10-12 21:10:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:10:20,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:20,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:20,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:10:20,651 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:20,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:20,652 INFO L82 PathProgramCache]: Analyzing trace with hash -295466034, now seen corresponding path program 1 times [2020-10-12 21:10:20,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:20,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380766924] [2020-10-12 21:10:20,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:20,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:24,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:24,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:24,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:10:25,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-12 21:10:25,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 21:10:25,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:10:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-12 21:10:25,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,952 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:10:25,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:25,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:10:25,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:25,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:26,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:26,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:10:26,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:26,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:10:26,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:10:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:26,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:10:26,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:26,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:10:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:10:26,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:10:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-12 21:10:26,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 21:10:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:26,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:26,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:26,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:10:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:26,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:26,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:26,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:26,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:26,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:10:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:10:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:26,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:26,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:26,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:26,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:26,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:26,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:26,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:26,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:26,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:26,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:26,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380766924] [2020-10-12 21:10:26,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:26,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:10:26,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197942154] [2020-10-12 21:10:26,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:10:26,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:26,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:10:26,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:10:26,525 INFO L87 Difference]: Start difference. First operand 1968 states and 2780 transitions. Second operand 13 states. [2020-10-12 21:10:26,774 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:10:29,157 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:29,406 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:10:29,792 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:30,167 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:31,840 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-12 21:10:33,344 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:10:34,989 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:10:35,237 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:35,489 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:35,743 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-12 21:10:36,000 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:10:36,394 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:36,773 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:10:37,116 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 21:10:42,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:42,766 INFO L93 Difference]: Finished difference Result 6519 states and 9695 transitions. [2020-10-12 21:10:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 21:10:42,767 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 217 [2020-10-12 21:10:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:42,791 INFO L225 Difference]: With dead ends: 6519 [2020-10-12 21:10:42,791 INFO L226 Difference]: Without dead ends: 4580 [2020-10-12 21:10:42,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=363, Invalid=1359, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 21:10:42,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4580 states. [2020-10-12 21:10:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4580 to 2622. [2020-10-12 21:10:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2622 states. [2020-10-12 21:10:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 3548 transitions. [2020-10-12 21:10:43,337 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 3548 transitions. Word has length 217 [2020-10-12 21:10:43,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:43,340 INFO L479 AbstractCegarLoop]: Abstraction has 2622 states and 3548 transitions. [2020-10-12 21:10:43,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 3548 transitions. [2020-10-12 21:10:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:10:43,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:43,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:43,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:10:43,343 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:43,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:43,344 INFO L82 PathProgramCache]: Analyzing trace with hash -860478766, now seen corresponding path program 1 times [2020-10-12 21:10:43,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:43,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848914029] [2020-10-12 21:10:43,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:43,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:46,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:46,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:47,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:10:48,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-12 21:10:48,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:10:48,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:10:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-10-12 21:10:48,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,620 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:10:48,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:48,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:10:48,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:10:48,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:10:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:10:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:48,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:10:48,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:10:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:10:48,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 21:10:48,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 21:10:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:10:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:10:48,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:10:48,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:10:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:49,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:10:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:49,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:49,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:49,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:49,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848914029] [2020-10-12 21:10:49,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:49,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:10:49,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325656235] [2020-10-12 21:10:49,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:10:49,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:49,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:10:49,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:10:49,084 INFO L87 Difference]: Start difference. First operand 2622 states and 3548 transitions. Second operand 10 states. [2020-10-12 21:10:49,308 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:10:55,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:55,995 INFO L93 Difference]: Finished difference Result 6217 states and 8679 transitions. [2020-10-12 21:10:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:10:55,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-10-12 21:10:55,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:56,011 INFO L225 Difference]: With dead ends: 6217 [2020-10-12 21:10:56,011 INFO L226 Difference]: Without dead ends: 3624 [2020-10-12 21:10:56,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:10:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2020-10-12 21:10:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 2622. [2020-10-12 21:10:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2622 states. [2020-10-12 21:10:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 3534 transitions. [2020-10-12 21:10:56,434 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 3534 transitions. Word has length 217 [2020-10-12 21:10:56,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:56,435 INFO L479 AbstractCegarLoop]: Abstraction has 2622 states and 3534 transitions. [2020-10-12 21:10:56,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:10:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 3534 transitions. [2020-10-12 21:10:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:10:56,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:56,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:56,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:10:56,437 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:56,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:56,438 INFO L82 PathProgramCache]: Analyzing trace with hash -436832044, now seen corresponding path program 1 times [2020-10-12 21:10:56,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:56,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073210961] [2020-10-12 21:10:56,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:56,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:56,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:57,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:11:01,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:11:01,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:11:01,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:01,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:01,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-12 21:11:01,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:01,692 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:11:01,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:01,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:01,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:01,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:01,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:01,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:01,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:01,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:01,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:01,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:01,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:01,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:11:01,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:01,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:11:01,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:11:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:01,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:11:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:01,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:01,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:11:01,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:01,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:11:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:11:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:01,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:11:01,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:01,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:11:01,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 21:11:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:11:01,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:01,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:01,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:01,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:01,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:01,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:02,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:11:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:02,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:11:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:11:02,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:11:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:11:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:02,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073210961] [2020-10-12 21:11:02,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:02,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:11:02,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448546410] [2020-10-12 21:11:02,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:11:02,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:02,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:11:02,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:11:02,111 INFO L87 Difference]: Start difference. First operand 2622 states and 3534 transitions. Second operand 9 states. [2020-10-12 21:11:02,349 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:11:05,921 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:11:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:10,390 INFO L93 Difference]: Finished difference Result 7125 states and 10066 transitions. [2020-10-12 21:11:10,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 21:11:10,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-10-12 21:11:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:10,412 INFO L225 Difference]: With dead ends: 7125 [2020-10-12 21:11:10,412 INFO L226 Difference]: Without dead ends: 4532 [2020-10-12 21:11:10,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:11:10,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4532 states. [2020-10-12 21:11:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4532 to 3248. [2020-10-12 21:11:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-10-12 21:11:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4264 transitions. [2020-10-12 21:11:10,873 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4264 transitions. Word has length 217 [2020-10-12 21:11:10,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:10,873 INFO L479 AbstractCegarLoop]: Abstraction has 3248 states and 4264 transitions. [2020-10-12 21:11:10,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:11:10,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4264 transitions. [2020-10-12 21:11:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 21:11:10,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:10,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:10,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:11:10,875 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:10,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1474257995, now seen corresponding path program 1 times [2020-10-12 21:11:10,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:10,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512615129] [2020-10-12 21:11:10,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:10,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:10,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:11,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:15,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:15,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-12 21:11:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-12 21:11:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:11:15,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 21:11:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,125 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 21:11:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:16,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:11:16,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:16,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:16,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:16,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:16,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:11:16,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:16,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:11:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:11:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:16,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:11:16,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:16,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:16,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 21:11:16,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 21:11:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 21:11:16,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:11:16,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 21:11:16,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 21:11:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:16,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:16,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:16,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:16,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:11:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:16,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:16,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:16,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:16,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:11:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:16,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:16,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:11:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 21:11:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:11:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 21:11:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:11:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 21:11:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:16,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:16,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:16,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:16,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:16,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:16,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512615129] [2020-10-12 21:11:16,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:16,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:11:16,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555471297] [2020-10-12 21:11:16,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:11:16,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:16,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:11:16,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:11:16,652 INFO L87 Difference]: Start difference. First operand 3248 states and 4264 transitions. Second operand 14 states. [2020-10-12 21:11:16,897 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 21:11:19,333 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:11:19,584 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:11:19,721 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:11:19,972 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:11:20,093 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 21:11:20,334 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:11:22,865 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-12 21:11:24,294 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:11:24,612 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 21:11:24,892 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-12 21:11:25,279 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193